{"id":"CVE-2026-103437","aliases":["EUVD-2026-90201","GHSA-c4w7-7m72-q5m9"],"status":"published","title":"ReadingLists imported metadata permits JavaScript URL XSS","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.\n\nThis issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.","severity":{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/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","level":"low","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00313,"percentile":0.24522,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-80"],"published":"2026-09-30T17:17:35Z","modified":"2026-09-30T21:17:08Z","exploits":[{"source":"pocgithub","id":"BomboBombone/CVE-2026-103437","title":"BomboBombone/CVE-2026-103437","date":"2026-09-30","url":"https://github.com/BomboBombone/CVE-2026-103437"}],"products":[{"vendor":"the wikimedia foundation","product":"mediawiki readinglists extension"}],"references":[{"url":"https://phabricator.wikimedia.org/T435863"},{"url":"https://gerrit.wikimedia.org/r/q/I9a724c05b2a55845007512422362e02ed8cf44b0"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-103437"},{"url":"https://github.com/advisories/GHSA-c4w7-7m72-q5m9"}],"sources":{"cve":[{"id":"CVE-2026-103437","title":"ReadingLists imported metadata permits JavaScript URL XSS","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.\n\nThis issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.","status":"published","published":"2026-09-30T17:17:35.54Z","modified":"2026-09-30T20:01:02.016Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/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","level":"low","assessor":"cna"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T13:34:48.658051Z"}],"euvd":[{"id":"EUVD-2026-90201","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.\n\nThis issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.","status":"published","published":"2026-09-30T17:17:35Z","modified":"2026-09-30T20:01:02Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/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","level":"low"}],"updated_at":"2026-11-02T17:27:47.293232Z"}],"ghsa":[{"id":"GHSA-c4w7-7m72-q5m9","title":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in...","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.\n\nThis issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.","status":"published","published":"2026-09-30T18:33:50Z","modified":"2026-09-30T18:33:56Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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:N/AU:Y/R:U/V:D/RE:M/U:Amber","level":"low"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T15:12:38.152609Z"}],"nvd":[{"id":"CVE-2026-103437","description":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected XSS.\n\nThis issue affects MediaWiki ReadingLists extension: 1.46 and 1.45.","status":"published","published":"2026-09-30T18:18:16.29Z","modified":"2026-09-30T21:17:08.583Z","cvss":[{"version":"4.0","score":1.1,"vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/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:N/AU:Y/R:U/V:D/RE:M/U:Amber","level":"low","assessor":"secondary"}],"cwes":["CWE-80"],"updated_at":"2026-11-02T14:12:53.097633Z"}]}}