{"cve":"CVE-2026-103438","nvd":{"published":"2026-09-30T18:18:16.440","modified":"2026-09-30T21:17:08.710","status":"Awaiting Analysis","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki Wikistories extension allows Cross-Site Scripting (XSS).\n\nThis issue affects MediaWiki Wikistories extension: 1.46, 1.45, and 1.43.","cvss_v4":{"vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:H/UI:P/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:P/S:N/AU:Y/R:U/V:D/RE:M/U:Amber","score":0.3},"cvss_v3":null,"cwes":["CWE-80"],"references":["https://gerrit.wikimedia.org/r/q/Iad1281879723eba73e4338a00d5ff35c6eed0c3e","https://phabricator.wikimedia.org/T182213"],"products":[],"source":"nvd","synced_at":"2026-10-19T22:56:48.555445741+00:00"},"epss":{"cve":"CVE-2026-103438","score":0.00106,"percentile":0.01108,"date":"2026-10-25"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}