{"id":"CVE-2026-96873","state":"PUBLISHED","title":"Reflected XSS in CirrusSearch debug explain output","description":"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.","publishedAt":"2026-09-24T15:27:31.697Z","updatedAt":"2026-09-29T21:14:12.801Z","severity":{"score":5.5,"label":"Medium","version":"4.0","vector":"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","source":"wikimedia-foundation"},"assigner":"wikimedia-foundation","products":["The Wikimedia Foundation Mediawiki - CirrusSearch Extension"],"affected":[{"vendor":"The Wikimedia Foundation","product":"Mediawiki - CirrusSearch Extension","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.46.0","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/CirrusSearch"}],"references":["https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368","https://phabricator.wikimedia.org/T435234"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T20:13:43.249Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/96xxx/CVE-2026-96873.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-96873","state":"PUBLISHED","datePublished":"2026-09-24T15:27:31.697Z","dateUpdated":"2026-09-29T21:14:12.801Z","assignerShortName":"wikimedia-foundation","assignerOrgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateReserved":"2026-09-23T18:13:31.629Z"},"containers":{"cna":{"title":"Reflected XSS in CirrusSearch debug explain output","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."}],"affected":[{"vendor":"The Wikimedia Foundation","product":"Mediawiki - CirrusSearch Extension","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThanOrEqual":"1.46.0","versionType":"semver"}],"repo":"https://gerrit.wikimedia.org/g/mediawiki/extensions/CirrusSearch"}],"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","lang":"en","description":"CWE-79 Improper neutralization of input during web page generation ('cross-site scripting')","type":"CWE"}]}],"providerMetadata":{"shortName":"wikimedia-foundation","orgId":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","dateUpdated":"2026-09-29T21:14:12.801Z"},"impacts":[{"capecId":"CAPEC-591","descriptions":[{"lang":"en","value":"CAPEC-591 Reflected XSS"}]}],"credits":[{"lang":"en","value":"bombobombone - https://bombobombone.github.io","type":"finder"}],"source":{"discovery":"UNKNOWN"},"x_generator":{"engine":"Vulnogram 1.0.5"}},"adp":[{"title":"CISA ADP Vulnrichment","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"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-09-24T15:38:37.941Z"}}]}}}