All vulnerabilities
CVE-2026-115754CVE-2026-115897GHSA-m5mm-p8h7-m29v

serialize-javascript 7.0.1 before 7.1.3 XSS via unescaped </script in function body

yahoo serialize-javascriptnpmLibraries & packages
Open in ThreatlineRecord JSON
CVSS
2.3Low
ExploitationNo known exploitationNot in CISA KEV, which does not prove it is unexploitedCISA KEV
Exploit odds (EPSS)No scoreNo FIRST EPSS score in this snapshot yet
Fixed in7.1.3Fixed versionCVE List
Published23 Oct 2026Updated 23 Oct 2026CVE List

What fixes it

  • 7.1.3serialize-javascriptCVE List
  • 7.1.3serialize-javascript, npmOSVnpm install serialize-javascript@7.1.3

A fixed version on one release line is not the upgrade target for every line. Check your exact version and any vendor backports.

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.

Text from CVE List

Affected versions 2

  • serialize-javascriptaffected: 7.0.1 before 7.1.3CVE List
  • serialize-javascript, npmfrom first release, fixed in 7.1.3OSV

References 5