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CERTFR-2026-AVI-0384
Vulnerability from certfr_avis - Published: 2026-04-01 - Updated: 2026-04-01
De multiples vulnérabilités ont été découvertes dans Joomla!. Certaines d'entre elles permettent à un attaquant de provoquer une atteinte à l'intégrité des données, une injection SQL (SQLi) et une injection de code indirecte à distance (XSS).
Solutions
Se référer au bulletin de sécurité de l'éditeur pour l'obtention des correctifs (cf. section Documentation).
Impacted products
References
| Title | Publication Time | Tags | ||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
||||||||||||||||||||
{
"$ref": "https://www.cert.ssi.gouv.fr/openapi.json",
"affected_systems": [
{
"description": "Joomla! versions 6.x ant\u00e9rieures \u00e0 6.0.4",
"product": {
"name": "Joomla!",
"vendor": {
"name": "Joomla!",
"scada": false
}
}
},
{
"description": "Joomla! versions ant\u00e9rieures \u00e0 5.4.4",
"product": {
"name": "Joomla!",
"vendor": {
"name": "Joomla!",
"scada": false
}
}
}
],
"affected_systems_content": "",
"content": "## Solutions\n\nSe r\u00e9f\u00e9rer au bulletin de s\u00e9curit\u00e9 de l\u0027\u00e9diteur pour l\u0027obtention des correctifs (cf. section Documentation).",
"cves": [
{
"name": "CVE-2026-21631",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21631"
},
{
"name": "CVE-2026-23899",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23899"
},
{
"name": "CVE-2026-21630",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21630"
},
{
"name": "CVE-2026-23898",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-23898"
},
{
"name": "CVE-2026-21632",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21632"
},
{
"name": "CVE-2026-21629",
"url": "https://www.cve.org/CVERecord?id=CVE-2026-21629"
}
],
"initial_release_date": "2026-04-01T00:00:00",
"last_revision_date": "2026-04-01T00:00:00",
"links": [],
"reference": "CERTFR-2026-AVI-0384",
"revisions": [
{
"description": "Version initiale",
"revision_date": "2026-04-01T00:00:00.000000"
}
],
"risks": [
{
"description": "Injection de code indirecte \u00e0 distance (XSS)"
},
{
"description": "Atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es"
},
{
"description": "Injection SQL (SQLi)"
},
{
"description": "Contournement de la politique de s\u00e9curit\u00e9"
}
],
"summary": "De multiples vuln\u00e9rabilit\u00e9s ont \u00e9t\u00e9 d\u00e9couvertes dans Joomla!. Certaines d\u0027entre elles permettent \u00e0 un attaquant de provoquer une atteinte \u00e0 l\u0027int\u00e9grit\u00e9 des donn\u00e9es, une injection SQL (SQLi) et une injection de code indirecte \u00e0 distance (XSS).",
"title": "Multiples vuln\u00e9rabilit\u00e9s dans Joomla!",
"vendor_advisories": [
{
"published_at": "2026-03-31",
"title": "Bulletin de s\u00e9curit\u00e9 Joomla! 1032-20260306",
"url": "https://developer.joomla.org/security-centre/1032-20260306-core-improper-access-check-in-webservice-endpoints.html"
},
{
"published_at": "2026-03-31",
"title": "Bulletin de s\u00e9curit\u00e9 Joomla! 1029-20260303",
"url": "https://developer.joomla.org/security-centre/1029-20260303-core-xss-vector-in-com-associations-comparison-view.html"
},
{
"published_at": "2026-03-31",
"title": "Bulletin de s\u00e9curit\u00e9 Joomla! 1027-20260301",
"url": "https://developer.joomla.org/security-centre/1027-20260301-core-acl-hardening-in-com-ajax.html"
},
{
"published_at": "2026-03-31",
"title": "Bulletin de s\u00e9curit\u00e9 Joomla! 1028-20260302",
"url": "https://developer.joomla.org/security-centre/1028-20260302-core-sql-injection-in-com-content-articles-webservice-endpoint.html"
},
{
"published_at": "2026-03-31",
"title": "Bulletin de s\u00e9curit\u00e9 Joomla! 1031-20260305",
"url": "https://developer.joomla.org/security-centre/1031-20260305-core-arbitrary-file-deletion-in-com-joomlaupdate.html"
},
{
"published_at": "2026-03-31",
"title": "Bulletin de s\u00e9curit\u00e9 Joomla! 1030-20260304",
"url": "https://developer.joomla.org/security-centre/1030-20260304-core-xss-vectors-in-various-article-title-outputs.html"
}
]
}
CVE-2026-21629 (GCVE-0-2026-21629)
Vulnerability from cvelistv5 – Published: 2026-04-01 09:03 – Updated: 2026-04-01 19:32
VLAI
EPSS
Title
Joomla! Core - [20260301] - ACL hardening in com_ajax
Summary
The ajax component was excluded from the default logged-in-user check in the administrative area. This behavior was potentially unexpected by 3rd party developers.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/1027… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
3.0.0-5.4.3
Affected: 6.0.0-6.0.3 |
Credits
Joomla Security Strike Team
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CVE-2026-21630 (GCVE-0-2026-21630)
Vulnerability from cvelistv5 – Published: 2026-04-01 09:03 – Updated: 2026-04-01 19:33
VLAI
EPSS
Title
Joomla! Core - [20260302] - SQL injection in com_content articles webservice endpoint
Summary
Improperly built order clauses lead to a SQL injection vulnerability in the articles webservice endpoint.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
- CWE-89 - Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/1028… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
4.0.0-5.4.3
Affected: 6.0.0-6.0.3 |
Credits
Antonio Morales from GitHub Security Lab Taskflow Agent
vnth4nhnt from CyStack
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CVE-2026-21631 (GCVE-0-2026-21631)
Vulnerability from cvelistv5 – Published: 2026-04-01 09:03 – Updated: 2026-04-02 05:09
VLAI
EPSS
Title
Joomla! Core - [20260303] - XSS vector in com_associations comparison view
Summary
Lack of output escaping leads to a XSS vector in the multilingual associations component.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
2 references
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/1029… | vendor-advisory |
| https://github.com/Shirshaw64p/security-advisorie… | third-party-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
4.0.0-5.4.3
Affected: 6.0.0-6.0.3 |
Credits
Shirsendu Mondal & Md Tanzimul Alam Fahim, UNC Pembroke
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CVE-2026-21632 (GCVE-0-2026-21632)
Vulnerability from cvelistv5 – Published: 2026-04-01 09:03 – Updated: 2026-04-02 05:09
VLAI
EPSS
Title
Joomla! Core - [20260304] - XSS vectors in various article title outputs
Summary
Lack of output escaping for article titles leads to XSS vectors in various locations.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/1030… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
4.0.0-5.4.3
Affected: 6.0.0-6.0.3 |
Credits
peterhulst
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CVE-2026-23898 (GCVE-0-2026-23898)
Vulnerability from cvelistv5 – Published: 2026-04-01 09:03 – Updated: 2026-04-02 05:10
VLAI
EPSS
Title
Joomla! Core - [20260305] - Arbitrary file deletion in com_joomlaupdate
Summary
Lack of input validation leads to an arbitrary file deletion vulnerability in the autoupdate server mechanism.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-73 - Destructive File Deletion and Potential System Compromise
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/1031… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
4.0.0-5.4.3
Affected: 6.0.0-6.0.3 |
Credits
Phil Taylor
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CVE-2026-23899 (GCVE-0-2026-23899)
Vulnerability from cvelistv5 – Published: 2026-04-01 09:03 – Updated: 2026-04-02 07:56
VLAI
EPSS
Title
Joomla! Core - [20260306] - Improper access check in webservice endpoints
Summary
An improper access check allows unauthorized access to webservice endpoints.
Severity
SSVC
Exploitation: none
Automatable: no
Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
- CWE-284 - Improper Access Control
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://developer.joomla.org/security-centre/1032… | vendor-advisory |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Joomla! Project | Joomla! CMS |
Affected:
4.0.0-5.4.3
Affected: 6.0.0-6.0.3 |
Credits
vnth4nhnt from CyStack
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Loading…
Trend slope:
-
(linear fit over daily sighting counts)
Show additional events:
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Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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