{"id":"CVE-2026-103047","title":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: be…","summary":"Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: be…","severity":"medium","cvss":6.1,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","cwe":["CWE-79"],"vendor":"The Wikimedia Foundation","product":"Mediawiki - CentralAuth extension","affected":["mediawiki_-_centralauth_extension < 1.46.1, 1.45.5, 1.43.10"],"published":"2026-09-29","updated":"2026-09-30","sourceUpdated":"2026-09-30T21:17:07.960","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-103047","references":[{"url":"https://gerrit.wikimedia.org/r/c/1309285","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T244682","label":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103047.json"},{"url":"https://access.redhat.com/security/cve/CVE-2026-103047"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-103047"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-09-30T20:03:23.309961Z"},"epss":0.00155,"epssPercentile":0.04532,"scores":{"nvd":6.1,"vendor":5.4},"ingestedAt":"2026-09-29T23:52:50.537Z","slug":"CVE-2026-103047","body":"## Overview\n\nImproper neutralization of input during web page generation ('cross-site scripting') vulnerability in The Wikimedia Foundation Mediawiki - CentralAuth extension allows Stored XSS.\n\nThis issue affects Mediawiki - CentralAuth extension: before 1.46.1, 1.45.5, 1.43.10.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **Red Hat VEX** · updated 2026-09-30 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-103047.json)","depth":"sunlit","depthScore":34,"depthScoreParts":{"impact":33.6,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[{"seq":214029,"id":"CVE-2026-103047","ts":1790803611736,"field":"cvss","old":"5.4","new":"6.1"},{"seq":213389,"id":"CVE-2026-103047","ts":1790754703558,"field":"cvss","old":null,"new":"5.4"},{"seq":213388,"id":"CVE-2026-103047","ts":1790754703558,"field":"severity","old":"none","new":"medium"}]}