{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-96873", "assignerOrgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "state": "PUBLISHED", "assignerShortName": "wikimedia-foundation", "dateReserved": "2026-09-23T18:13:31.629Z", "datePublished": "2026-09-24T15:27:31.697Z", "dateUpdated": "2026-09-24T15:38:37.941Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "c4f26cc8-17ff-4c99-b5e2-38fc1793eacc", "shortName": "wikimedia-foundation", "dateUpdated": "2026-09-24T15:27:31.697Z"}, "title": "Reflected XSS in CirrusSearch debug explain output", "problemTypes": [{"descriptions": [{"lang": "en", "cweId": "CWE-79", "description": "CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')", "type": "CWE"}]}], "impacts": [{"capecId": "CAPEC-591", "descriptions": [{"lang": "en", "value": "CAPEC-591 Reflected XSS"}]}], "affected": [{"vendor": "The Wikimedia Foundation", "product": "Mediawiki - CirrusSearch Extension", "repo": "https://gerrit.wikimedia.org/g/mediawiki/extensions/CirrusSearch", "versions": [{"status": "affected", "version": "0", "lessThanOrEqual": "1.46.0", "versionType": "semver"}], "defaultStatus": "unaffected"}], "descriptions": [{"lang": "en", "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - CirrusSearch extension allows Reflected XSS.\n\nThis issue affects Mediawiki - CirrusSearch extension through 1.46.0.", "supportingMedia": [{"type": "text/html", "base64": false, "value": "Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Mediawiki - CirrusSearch extension allows Reflected XSS.<p>This issue affects Mediawiki - CirrusSearch extension through 1.46.0.</p>"}]}], "references": [{"url": "https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368"}, {"url": "https://phabricator.wikimedia.org/T435234"}], "metrics": [{"format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}], "cvssV4_0": {"attackVector": "NETWORK", "attackComplexity": "LOW", "attackRequirements": "NONE", "privilegesRequired": "NONE", "userInteraction": "NONE", "vulnConfidentialityImpact": "LOW", "subConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "subIntegrityImpact": "NONE", "vulnAvailabilityImpact": "NONE", "subAvailabilityImpact": "NONE", "exploitMaturity": "PROOF_OF_CONCEPT", "Safety": "NOT_DEFINED", "Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "valueDensity": "NOT_DEFINED", "vulnerabilityResponseEffort": "NOT_DEFINED", "providerUrgency": "NOT_DEFINED", "version": "4.0", "baseSeverity": "MEDIUM", "baseScore": 5.5, "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P"}}], "credits": [{"lang": "en", "value": "bombobombone", "type": "finder"}], "source": {"discovery": "UNKNOWN"}, "x_generator": {"engine": "Vulnogram 1.0.5"}}, "adp": [{"metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-24T15:37:53.640849Z", "id": "CVE-2026-96873", "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": "2026-09-24T15:38:37.941Z"}}]}}