{"id":"CVE-2026-103437","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-103437","generatedAt":"2026-10-28T01:02:10.077Z","title":"Improper neutralization of Script-Related HTML tags in a web page (basic XSS) vulnerability in The Wikimedia Foundation MediaWiki ReadingLists extension allows Reflected 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.","published":"2026-09-30T18:18:16.000Z","lastModified":"2026-09-30T21:17:09.000Z","status":"Awaiting Analysis","sourceIdentifier":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","cvss":{"version":"4.0","score":1.1,"severity":"LOW","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/M"},"cwe":["CWE-80"],"affected":[],"epss":{"score":0.00313,"percentile":0.23989,"date":"2026-10-26","history":[{"date":"2026-10-01","score":0.00405,"percentile":0.32334}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"low","text":"Lower severity and a low EPSS score (0.31%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-30T18:18:16.000Z","detail":{"score":"1.1","severity":"LOW","publishedAt":"2026-09-30T18:18:16.290Z"},"summary":"New CVE, low severity (CVSS 1.1)."}],"references":[{"url":"https://gerrit.wikimedia.org/r/q/I9a724c05b2a55845007512422362e02ed8cf44b0","source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T435863","source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-103437","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}