{"id":"CVE-2026-96873","aliases":["EUVD-2026-86230","GHSA-fv8h-v7wg-hwcx"],"status":"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.","severity":{"version":"4.0","score":5.5,"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","level":"medium","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00339,"percentile":0.27611,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-79"],"published":"2026-09-24T15:27:31Z","modified":"2026-09-29T21:14:12Z","exploits":[{"source":"pocgithub","id":"BomboBombone/CVE-2026-96873","title":"BomboBombone/CVE-2026-96873","date":"2026-09-29","url":"https://github.com/BomboBombone/CVE-2026-96873"}],"products":[{"vendor":"the wikimedia foundation","product":"mediawiki - cirrussearch extension"}],"references":[{"url":"https://gerrit.wikimedia.org/r/c/mediawiki/extensions/CirrusSearch/+/1344368"},{"url":"https://phabricator.wikimedia.org/T435234"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-96873"},{"url":"https://github.com/advisories/GHSA-fv8h-v7wg-hwcx"}],"sources":{"cve":[{"id":"CVE-2026-96873","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.","status":"published","published":"2026-09-24T15:27:31.697Z","modified":"2026-09-29T21:14:12.801Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium","assessor":"cna"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:20:00.511569Z"}],"euvd":[{"id":"EUVD-2026-86230","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.","status":"published","published":"2026-09-24T15:27:31Z","modified":"2026-09-29T21:14:12Z","cvss":[{"version":"4.0","score":5.5,"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","level":"medium"}],"updated_at":"2026-11-02T17:27:51.078545Z"}],"ghsa":[{"id":"GHSA-fv8h-v7wg-hwcx","title":"Improper neutralization of input during web page generation ('cross-site scripting')...","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.","status":"published","published":"2026-09-24T18:31:26Z","modified":"2026-09-24T18:31:33Z","cvss":[{"version":"4.0","score":5.5,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:12:22.921703Z"}],"nvd":[{"id":"CVE-2026-96873","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.","status":"published","published":"2026-09-24T16:17:28.04Z","modified":"2026-09-24T20:02:50.26Z","cvss":[{"version":"4.0","score":5.5,"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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","level":"medium","assessor":"secondary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:12:51.036099Z"}]}}