{"id":"CVE-2026-100376","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-100376","generatedAt":"2026-10-28T01:51:59.297Z","title":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS).","description":"Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Wikimedia Foundation Mediawiki - TemplateSandbox Extension allows Cross-Site Scripting (XSS).\n\nThis issue affects Mediawiki - TemplateSandbox Extension: from * before 1.46.1, 1.45.5, 1.43.10.","published":"2026-09-25T21:17:22.000Z","lastModified":"2026-09-28T16:38:10.000Z","status":"Awaiting Analysis","sourceIdentifier":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc","cvss":{"version":"4.0","score":4.8,"severity":"MEDIUM","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:L/VI:L/VA:L/SC:L/SI:L/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/M"},"cwe":["CWE-79"],"affected":[],"epss":{"score":0.00295,"percentile":0.21939,"date":"2026-10-26","history":[{"date":"2026-09-26","score":0.00295,"percentile":0.19846}]},"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 (0.29%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-09-25T21:17:22.000Z","detail":{"score":"4.8","severity":"MEDIUM","publishedAt":"2026-09-25T21:17:21.517Z"},"summary":"New CVE, medium severity (CVSS 4.8)."}],"references":[{"url":"https://gerrit.wikimedia.org/r/q/I6630b9915f640bf75c8570165eb8728bd7a2c07a","source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"},{"url":"https://phabricator.wikimedia.org/T430596","source":"c4f26cc8-17ff-4c99-b5e2-38fc1793eacc"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-100376","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."}