CVE-2024-47845 (GCVE-0-2024-47845)
Vulnerability from cvelistv5 – Published: 2024-10-05 00:09 – Updated: 2024-10-07 17:39
VLAI
EPSS
VEX
Title
CSS sanitizer used incorrectly, and is easily bypassed
Summary
Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.This issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.
Severity
SSVC
Exploitation: poc
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-10-07 17:38 UTC
CWE
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
Impacted products
2 products
| Vendor | Product | Version | CPE status | |
|---|---|---|---|---|
| The Wikimedia Foundation | Mediawiki - CSS Extension |
Affected:
1.39.x , < 1.39.9
(semver)
Affected: 1.41.x , < 1.41.3 (semver) Affected: 1.42.x , < 1.42.2 (semver) |
guessed | |
| wikimedia | mediawiki-extensions-css |
Affected:
1.39.0 , < 1.39.9
(semver)
Affected: 1.41.0 , < 1.41.3 (semver) Affected: 1.42.0 , < 1.42.2 (semver) cpe:2.3:a:wikimedia:mediawiki-extensions-css:*:*:*:*:*:*:*:* |
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"dateUpdated": "2024-10-07T17:39:02.407Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"product": "Mediawiki - CSS Extension",
"vendor": "The Wikimedia Foundation",
"versions": [
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"lessThan": "1.39.9",
"status": "affected",
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"versionType": "semver"
},
{
"lessThan": "1.41.3",
"status": "affected",
"version": "1.41.x",
"versionType": "semver"
},
{
"lessThan": "1.42.2",
"status": "affected",
"version": "1.42.x",
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]
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "BlankEclair"
},
{
"lang": "en",
"type": "finder",
"value": "Bawolff"
}
],
"descriptions": [
{
"lang": "en",
"supportingMedia": [
{
"base64": false,
"type": "text/html",
"value": "Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.\u003cp\u003eThis issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2.\u003c/p\u003e"
}
],
"value": "Improper Encoding or Escaping of Output vulnerability in The Wikimedia Foundation Mediawiki - CSS Extension allows Code Injection.This issue affects Mediawiki - CSS Extension: from 1.39.X before 1.39.9, from 1.41.X before 1.41.3, from 1.42.X before 1.42.2."
}
],
"impacts": [
{
"capecId": "CAPEC-242",
"descriptions": [
{
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]
}
],
"metrics": [
{
"cvssV4_0": {
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"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "NETWORK",
"baseScore": 6.9,
"baseSeverity": "MEDIUM",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "LOW",
"subIntegrityImpact": "LOW",
"userInteraction": "NONE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "LOW",
"vulnIntegrityImpact": "LOW",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-116",
"description": "CWE-116 Improper Encoding or Escaping of Output",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2024-10-05T00:09:09.355Z",
"orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
"shortName": "wikimedia-foundation"
},
"references": [
{
"url": "https://phabricator.wikimedia.org/T368628"
},
{
"url": "https://phabricator.wikimedia.org/T368594"
},
{
"url": "https://gerrit.wikimedia.org/r/q/I6f38f4a8fc1dcd690ab27b8f18ce6ca903bacc53"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "CSS sanitizer used incorrectly, and is easily bypassed",
"x_generator": {
"engine": "Vulnogram 0.2.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc",
"assignerShortName": "wikimedia-foundation",
"cveId": "CVE-2024-47845",
"datePublished": "2024-10-05T00:09:09.355Z",
"dateReserved": "2024-10-03T23:44:16.835Z",
"dateUpdated": "2024-10-07T17:39:08.435Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
}
}
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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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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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