{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-0670", "assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "state": "PUBLISHED", "assignerShortName": "wikimedia-foundation", "dateReserved": "2026-01-07T16:35:04.806Z", "datePublished": "2026-01-07T18:55:42.559Z", "dateUpdated": "2026-01-07T19:25:36.796Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "MediaWiki - ProofreadPage Extension", "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/ProofreadPage", "vendor": "Wikimedia Foundation", "versions": [{"status": "affected", "version": "1.45"}, {"status": "affected", "version": "1.44"}, {"status": "affected", "version": "1.43"}, {"status": "affected", "version": "1.39"}]}], "credits": [{"lang": "en", "type": "finder", "value": "SomeRandomDeveloper"}], "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "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).<p>This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.</p>"}], "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."}], "impacts": [{"capecId": "CAPEC-63", "descriptions": [{"lang": "en", "value": "CAPEC-63 Cross-Site Scripting (XSS)"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "shortName": "wikimedia-foundation", "dateUpdated": "2026-01-07T18:55:42.559Z"}, "references": [{"url": "https://phabricator.wikimedia.org/T409423"}, {"url": "https://gerrit.wikimedia.org/r/q/I7c028db5ed81843aacd596b0ee4dc2980f5b6e3c"}], "source": {"discovery": "UNKNOWN"}, "title": "Stored XSS through a system message and a user-provided parameter in ProofreadPage", "x_generator": {"engine": "Vulnogram 0.5.0"}}, "adp": [{"metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"timestamp": "2026-01-07T19:24:45.370321Z", "id": "CVE-2026-0670", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-07T19:25:36.796Z"}}]}}

{"dataType": "CVE_RECORD", "containers": {"adp": [{"title": "CISA ADP Vulnrichment", "metrics": [{"cvssV3_1": {"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"}}, {"other": {"type": "ssvc", "content": {"id": "CVE-2026-0670", "role": "CISA Coordinator", "options": [{"Exploitation": "none"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "version": "2.0.3", "timestamp": "2026-01-07T19:24:45.370321Z"}}}], "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-01-07T19:25:08.156Z"}}], "cna": {"title": "Stored XSS through a system message and a user-provided parameter in ProofreadPage", "source": {"discovery": "UNKNOWN"}, "credits": [{"lang": "en", "type": "finder", "value": "SomeRandomDeveloper"}], "impacts": [{"capecId": "CAPEC-63", "descriptions": [{"lang": "en", "value": "CAPEC-63 Cross-Site Scripting (XSS)"}]}], "affected": [{"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"}], "references": [{"url": "https://phabricator.wikimedia.org/T409423"}, {"url": "https://gerrit.wikimedia.org/r/q/I7c028db5ed81843aacd596b0ee4dc2980f5b6e3c"}], "x_generator": {"engine": "Vulnogram 0.5.0"}, "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.", "supportingMedia": [{"type": "text/html", "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).<p>This issue affects MediaWiki - ProofreadPage Extension: 1.45, 1.44, 1.43, 1.39.</p>", "base64": false}]}], "problemTypes": [{"descriptions": [{"lang": "en", "type": "CWE", "cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')"}]}], "providerMetadata": {"orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "shortName": "wikimedia-foundation", "dateUpdated": "2026-01-07T18:55:42.559Z"}}}, "cveMetadata": {"cveId": "CVE-2026-0670", "state": "PUBLISHED", "dateUpdated": "2026-01-07T19:25:36.796Z", "dateReserved": "2026-01-07T16:35:04.806Z", "assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "datePublished": "2026-01-07T18:55:42.559Z", "assignerShortName": "wikimedia-foundation"}, "dataVersion": "5.2"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wikisource:proofread_page:1.39:*:*:*:*:mediawiki:*:*", "matchCriteriaId": "F0DC7E84-26A6-4225-AB94-EE6124C11CC8", "vulnerable": true}, {"criteria": "cpe:2.3:a:wikisource:proofread_page:1.43:*:*:*:*:mediawiki:*:*", "matchCriteriaId": "637AC797-C33D-4328-A8CD-C1E67F68457F", "vulnerable": true}, {"criteria": "cpe:2.3:a:wikisource:proofread_page:1.44:*:*:*:*:mediawiki:*:*", "matchCriteriaId": "C05208D8-F063-424A-933A-37D5357A68C9", "vulnerable": true}, {"criteria": "cpe:2.3:a:wikisource:proofread_page:1.45:*:*:*:*:mediawiki:*:*", "matchCriteriaId": "7FA36D49-EE20-4805-85FE-820E37BC473E", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}], "id": "CVE-2026-0670", "lastModified": "2026-02-23T18:40:17.617", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}, "published": "2026-01-07T19:15:56.203", "references": [{"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "tags": ["Patch"], "url": "https://gerrit.wikimedia.org/r/q/I7c028db5ed81843aacd596b0ee4dc2980f5b6e3c"}, {"source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "tags": ["Exploit", "Issue Tracking"], "url": "https://phabricator.wikimedia.org/T409423"}], "sourceIdentifier": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "type": "Secondary"}]}

{}

{"created": "2026-01-08T09:48:23.199363+00:00", "updated": "2026-01-08T09:48:23.199401+00:00", "vendors": ["mediawiki", "mediawiki$PRODUCT$mediawiki", "wikimedia", "wikimedia$PRODUCT$mediawiki-proofreadpage_extension"]}