CVE-2026-0670

Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.

CVSS v3 6.1 MEDIUM

6.1^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 2.8 / Impact : 2.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact LOW

Integrity Impact LOW

Availability Impact NONE

Scope CHANGED

References

Link	Resource
https://gerrit.wikimedia.org/r/q/I7c028db5ed81843aacd596b0ee4dc2980f5b6e3c	Patch
https://phabricator.wikimedia.org/T409423	Exploit Issue Tracking

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:wikisource:proofread_page:1.39:::::mediawiki::
	cpe:2.3:a:wikisource:proofread_page:1.43:::::mediawiki::
	cpe:2.3:a:wikisource:proofread_page:1.44:::::mediawiki::
	cpe:2.3:a:wikisource:proofread_page:1.45:::::mediawiki::

History

No history.

Information

Published : 2026-01-07 19:15

Updated : 2026-06-17 10:11

NVD link : CVE-2026-0670

Mitre link : CVE-2026-0670

CVE.ORG link : CVE-2026-0670

JSON object : View

Products Affected

wikisource

proofread_page

CWE

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

{"id": "CVE-2026-0670", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-0670", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-07T19:24:45.370321Z"}}], "cvssMetricV31": [{"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 6.1, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "NONE", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 2.8}]}, "affected": [{"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "affectedData": [{"repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/ProofreadPage", "vendor": "Wikimedia Foundation", "product": "MediaWiki - ProofreadPage Extension", "versions": [{"status": "affected", "version": "1.45"}, {"status": "affected", "version": "1.44"}, {"status": "affected", "version": "1.43"}, {"status": "affected", "version": "1.39"}], "defaultStatus": "unaffected"}]}], "published": "2026-01-07T19:15:56.203", "references": [{"url": "https://gerrit.wikimedia.org/r/q/I7c028db5ed81843aacd596b0ee4dc2980f5b6e3c", "tags": ["Patch"], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}, {"url": "https://phabricator.wikimedia.org/T409423", "tags": ["Exploit", "Issue Tracking"], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Secondary", "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation MediaWiki - ProofreadPage Extension allows Cross-Site Scripting (XSS).This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39."}], "lastModified": "2026-06-17T10:11:10.847", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:wikisource:proofread_page:1.39:*:*:*:*:mediawiki:*:*", "vulnerable": true, "matchCriteriaId": "F0DC7E84-26A6-4225-AB94-EE6124C11CC8"}, {"criteria": "cpe:2.3:a:wikisource:proofread_page:1.43:*:*:*:*:mediawiki:*:*", "vulnerable": true, "matchCriteriaId": "637AC797-C33D-4328-A8CD-C1E67F68457F"}, {"criteria": "cpe:2.3:a:wikisource:proofread_page:1.44:*:*:*:*:mediawiki:*:*", "vulnerable": true, "matchCriteriaId": "C05208D8-F063-424A-933A-37D5357A68C9"}, {"criteria": "cpe:2.3:a:wikisource:proofread_page:1.45:*:*:*:*:mediawiki:*:*", "vulnerable": true, "matchCriteriaId": "7FA36D49-EE20-4805-85FE-820E37BC473E"}], "operator": "OR"}]}], "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}