{"id":"CVE-2026-115754","url":"https://www.cyber-defence.io/tools/cve/CVE-2026-115754","generatedAt":"2026-10-28T09:27:17.697Z","title":"serialize-javascript from 7.0.1 before 7.1.3 contains a cross-site scripting vulnerability that allows attackers to break out of HTML script elements by ending serialized function source text with an unescaped </script.","description":"serialize-javascript from 7.0.1 before 7.1.3 contains a cross-site scripting vulnerability that allows attackers to break out of HTML script elements by ending serialized function source text with an unescaped </script. Attackers controlling a function's source via a spoofed toString() can combine surrounding output delimiters and later values to inject live markup such as img onerror handlers.","published":"2026-10-23T14:17:53.000Z","lastModified":"2026-10-23T19:45:04.000Z","status":"Awaiting Analysis","sourceIdentifier":"disclosure@vulncheck.com","cvss":{"version":"4.0","score":2.3,"severity":"LOW","vector":"CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/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":0.00231,"percentile":0.13906,"date":"2026-10-27","history":[{"date":"2026-10-24","score":0.00322,"percentile":0.24067}]},"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 (0.23%). Track it; it rarely justifies an emergency change on its own."},"changes":[{"kind":"new","label":"New CVE","at":"2026-10-23T14:17:53.000Z","detail":{"score":"2.3","severity":"LOW","publishedAt":"2026-10-23T14:17:52.590Z"},"summary":"New CVE, low severity (CVSS 2.3)."}],"references":[{"url":"https://github.com/yahoo/serialize-javascript/commit/2864b3c6260a3bfd52d2db3e70d1a079de108a61","source":"disclosure@vulncheck.com"},{"url":"https://github.com/yahoo/serialize-javascript/pull/235","source":"disclosure@vulncheck.com"},{"url":"https://github.com/yahoo/serialize-javascript/releases/tag/v7.1.3","source":"disclosure@vulncheck.com"},{"url":"https://github.com/yahoo/serialize-javascript/security/advisories/GHSA-m5mm-p8h7-m29v","source":"disclosure@vulncheck.com"},{"url":"https://www.vulncheck.com/advisories/serialize-javascript-7.0.1-before-7.1.3-xss-via-unescaped-script-in-function-body","source":"disclosure@vulncheck.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-115754","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."}