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878 vulnerabilities by mediawiki
CVE-2026-8857 (GCVE-0-2026-8857)
Vulnerability from nvd – Published: 2026-07-01 15:08 – Updated: 2026-07-01 15:49
VLAI
EPSS
VEX
Title
Full RCE using EasyTimeline Extension
Summary
A vulnerability in Wikimedia Foundation timeline.
This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.
This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | timeline |
Affected:
* , < 1.46.0, 1.45.4, 1.44.6, 1.43.9
(semver)
|
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CVE-2026-58024 (GCVE-0-2026-58024)
Vulnerability from nvd – Published: 2026-07-01 14:34 – Updated: 2026-07-01 15:47
VLAI
EPSS
VEX
Title
API identification of users on private wikis
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Api/ApiUserrights.Php.
This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.46.0, 1.45.4, 1.44.6, 1.43.9
(semver)
|
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CVE-2026-13706 (GCVE-0-2026-13706)
Vulnerability from nvd – Published: 2026-07-01 14:29 – Updated: 2026-07-01 15:44
VLAI
EPSS
VEX
Title
UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG
Summary
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper input validation
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | UrlShortener |
Affected:
* , ≤ 1.46.0, 1.45.4, 1.44.6, 1.43.9
(semver)
|
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CVE-2026-58035 (GCVE-0-2026-58035)
Vulnerability from nvd – Published: 2026-07-01 14:17 – Updated: 2026-07-01 14:54
VLAI
EPSS
VEX
Title
Stored XSS through a system message in the codex version of Special:Block
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files resources/src/mediawiki.Special.Block/SpecialBlock.Vue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
1.46.0-rc.0 , < 1.46.0
(semver)
|
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CVE-2026-58034 (GCVE-0-2026-58034)
Vulnerability from nvd – Published: 2026-07-01 14:21 – Updated: 2026-07-01 14:46
VLAI
EPSS
VEX
Title
Stored XSS through a system message when blocking a temporary account that's related to other temporary accounts
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser.
This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/blockConnectedTempAccountsField.Vue.
This issue affects CheckUser: from 1.46.0-rc.0 before 1.46.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
1.46.0-rc.0 , < 1.46.0
(semver)
|
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CVE-2026-58031 (GCVE-0-2026-58031)
Vulnerability from nvd – Published: 2026-07-01 14:24 – Updated: 2026-07-01 14:45
VLAI
EPSS
VEX
Title
Stored i18n XSS in Special:ApiSandbox when a deprecated module is selected
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js.
This issue affects MediaWiki: from 1.46.0-rc.0 before 1.46.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
1.46.0-rc.0 , < 1.46.0
(semver)
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CVE-2026-58519 (GCVE-0-2026-58519)
Vulnerability from nvd – Published: 2026-07-01 03:59 – Updated: 2026-07-01 12:29
VLAI
EPSS
VEX
Title
Stored XSS through Cargo's map format
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.
This issue affects Mediawiki - Cargo Extension: from * before 3.9.1.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - Cargo Extension |
Affected:
* , < 3.9.1
(semver)
|
Credits
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CVE-2026-34095 (GCVE-0-2026-34095)
Vulnerability from nvd – Published: 2026-05-11 16:53 – Updated: 2026-05-11 18:04
VLAI
EPSS
VEX
Title
action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request
Summary
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-668 - Exposure of Resource to Wrong Sphere
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34094 (GCVE-0-2026-34094)
Vulnerability from nvd – Published: 2026-05-11 16:50 – Updated: 2026-05-11 18:06
VLAI
EPSS
VEX
Title
Customized help link for page protection indicator is relative to subpage name, because the link target is missing the "/wiki/" prefix
Summary
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Page/Article.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-668 - Exposure of Resource to Wrong Sphere
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34093 (GCVE-0-2026-34093)
Vulnerability from nvd – Published: 2026-05-11 16:48 – Updated: 2026-05-11 18:15
VLAI
EPSS
VEX
Title
Special:UserRights allows viewing user rights from private wiki
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34092 (GCVE-0-2026-34092)
Vulnerability from nvd – Published: 2026-05-11 15:00 – Updated: 2026-05-11 15:50
VLAI
EPSS
VEX
Title
Block UI elements in 'tools'-sidebar shows presence of an autoblocked IP
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Skin/Skin.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
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CVE-2026-34091 (GCVE-0-2026-34091)
Vulnerability from nvd – Published: 2026-05-11 14:55 – Updated: 2026-05-11 16:03
VLAI
EPSS
VEX
Title
User localization leaked by AbuseFilter + EventStream
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34090 (GCVE-0-2026-34090)
Vulnerability from nvd – Published: 2026-05-11 14:50 – Updated: 2026-05-11 15:51
VLAI
EPSS
VEX
Title
Suggested investigations: Handle suppressed usernames
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser.
This issue affects CheckUser: from 1.45.0 before 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
1.45.0 , < 1.45.2
(semver)
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CVE-2026-34088 (GCVE-0-2026-34088)
Vulnerability from nvd – Published: 2026-05-11 14:43 – Updated: 2026-05-11 16:03
VLAI
EPSS
VEX
Title
RecentChanges entries expose suppressed content via generated log page html
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34087 (GCVE-0-2026-34087)
Vulnerability from nvd – Published: 2026-05-11 14:40 – Updated: 2026-05-11 16:03
VLAI
EPSS
VEX
Title
Users API leaks whether privileged users have their user groups disabled for lack of 2FA
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth.
This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | OATHAuth |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
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CVE-2026-8857 (GCVE-0-2026-8857)
Vulnerability from cvelistv5 – Published: 2026-07-01 15:08 – Updated: 2026-07-01 15:49
VLAI
EPSS
VEX
Title
Full RCE using EasyTimeline Extension
Summary
A vulnerability in Wikimedia Foundation timeline.
This vulnerability is associated with program files scripts/EasyTimeline.Pl, includes/Timeline.Php.
This issue affects timeline: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | timeline |
Affected:
* , < 1.46.0, 1.45.4, 1.44.6, 1.43.9
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CVE-2026-58024 (GCVE-0-2026-58024)
Vulnerability from cvelistv5 – Published: 2026-07-01 14:34 – Updated: 2026-07-01 15:47
VLAI
EPSS
VEX
Title
API identification of users on private wikis
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Api/ApiUserrights.Php.
This issue affects MediaWiki: from * before 1.46.0, 1.45.4, 1.44.6, 1.43.9.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.46.0, 1.45.4, 1.44.6, 1.43.9
(semver)
|
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CVE-2026-13706 (GCVE-0-2026-13706)
Vulnerability from cvelistv5 – Published: 2026-07-01 14:29 – Updated: 2026-07-01 15:44
VLAI
EPSS
VEX
Title
UrlShortener extension url validation can be bypassed due to difference between php url parsing and WHATWG
Summary
Improper input validation vulnerability in Wikimedia Foundation UrlShortener.
This vulnerability is associated with program files includes/UrlShortenerUtils.Php.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-20 - Improper input validation
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | UrlShortener |
Affected:
* , ≤ 1.46.0, 1.45.4, 1.44.6, 1.43.9
(semver)
|
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CVE-2026-58031 (GCVE-0-2026-58031)
Vulnerability from cvelistv5 – Published: 2026-07-01 14:24 – Updated: 2026-07-01 14:45
VLAI
EPSS
VEX
Title
Stored i18n XSS in Special:ApiSandbox when a deprecated module is selected
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files resources/src/mediawiki.Special.Apisandbox/ApiSandboxLayout.Js.
This issue affects MediaWiki: from 1.46.0-rc.0 before 1.46.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
1.46.0-rc.0 , < 1.46.0
(semver)
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CVE-2026-58034 (GCVE-0-2026-58034)
Vulnerability from cvelistv5 – Published: 2026-07-01 14:21 – Updated: 2026-07-01 14:46
VLAI
EPSS
VEX
Title
Stored XSS through a system message when blocking a temporary account that's related to other temporary accounts
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation CheckUser.
This vulnerability is associated with program files modules/ext.CheckUser.TempAccounts/components/blockConnectedTempAccountsField.Vue.
This issue affects CheckUser: from 1.46.0-rc.0 before 1.46.0.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
1.46.0-rc.0 , < 1.46.0
(semver)
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CVE-2026-58035 (GCVE-0-2026-58035)
Vulnerability from cvelistv5 – Published: 2026-07-01 14:17 – Updated: 2026-07-01 14:54
VLAI
EPSS
VEX
Title
Stored XSS through a system message in the codex version of Special:Block
Summary
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files resources/src/mediawiki.Special.Block/SpecialBlock.Vue.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
1.46.0-rc.0 , < 1.46.0
(semver)
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CVE-2026-58519 (GCVE-0-2026-58519)
Vulnerability from cvelistv5 – Published: 2026-07-01 03:59 – Updated: 2026-07-01 12:29
VLAI
EPSS
VEX
Title
Stored XSS through Cargo's map format
Summary
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - Cargo Extension allows Stored XSS.
This issue affects Mediawiki - Cargo Extension: from * before 3.9.1.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper neutralization of input during web page generation ('cross-site scripting')
Assigner
References
2 references
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - Cargo Extension |
Affected:
* , < 3.9.1
(semver)
|
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CVE-2026-34095 (GCVE-0-2026-34095)
Vulnerability from cvelistv5 – Published: 2026-05-11 16:53 – Updated: 2026-05-11 18:04
VLAI
EPSS
VEX
Title
action=raw with Special:Mypage subpage title responds with "Content-Type: text/html" on ctype=text/javascript request
Summary
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Actions/ActionEntryPoint.Php, includes/Request/FauxResponse.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-668 - Exposure of Resource to Wrong Sphere
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34094 (GCVE-0-2026-34094)
Vulnerability from cvelistv5 – Published: 2026-05-11 16:50 – Updated: 2026-05-11 18:06
VLAI
EPSS
VEX
Title
Customized help link for page protection indicator is relative to subpage name, because the link target is missing the "/wiki/" prefix
Summary
Vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Page/Article.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-668 - Exposure of Resource to Wrong Sphere
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34093 (GCVE-0-2026-34093)
Vulnerability from cvelistv5 – Published: 2026-05-11 16:48 – Updated: 2026-05-11 18:15
VLAI
EPSS
VEX
Title
Special:UserRights allows viewing user rights from private wiki
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Specials/SpecialUserRights.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34092 (GCVE-0-2026-34092)
Vulnerability from cvelistv5 – Published: 2026-05-11 15:00 – Updated: 2026-05-11 15:50
VLAI
EPSS
VEX
Title
Block UI elements in 'tools'-sidebar shows presence of an autoblocked IP
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This vulnerability is associated with program files includes/Skin/Skin.Php.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34091 (GCVE-0-2026-34091)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:55 – Updated: 2026-05-11 16:03
VLAI
EPSS
VEX
Title
User localization leaked by AbuseFilter + EventStream
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
|
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CVE-2026-34090 (GCVE-0-2026-34090)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:50 – Updated: 2026-05-11 15:51
VLAI
EPSS
VEX
Title
Suggested investigations: Handle suppressed usernames
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation CheckUser.
This issue affects CheckUser: from 1.45.0 before 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | CheckUser |
Affected:
1.45.0 , < 1.45.2
(semver)
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CVE-2026-34088 (GCVE-0-2026-34088)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:43 – Updated: 2026-05-11 16:03
VLAI
EPSS
VEX
Title
RecentChanges entries expose suppressed content via generated log page html
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation MediaWiki.
This issue affects MediaWiki: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | MediaWiki |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
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CVE-2026-34087 (GCVE-0-2026-34087)
Vulnerability from cvelistv5 – Published: 2026-05-11 14:40 – Updated: 2026-05-11 16:03
VLAI
EPSS
VEX
Title
Users API leaks whether privileged users have their user groups disabled for lack of 2FA
Summary
Exposure of Sensitive Information to an Unauthorized Actor vulnerability in Wikimedia Foundation OATHAuth.
This issue affects OATHAuth: from * before 1.43.7, 1.44.4, 1.45.2.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-200 - Exposure of Sensitive Information to an Unauthorized Actor
Assigner
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Wikimedia Foundation | OATHAuth |
Affected:
* , < 1.43.7, 1.44.4, 1.45.2
(semver)
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