CVE-2025-59364

The express-xss-sanitizer (aka Express XSS Sanitizer) package through 2.0.0 for Node.js has an unbounded recursion depth in sanitize in lib/sanitize.js for a JSON request body.

Published: Sep 15, 2025
Updated: Sep 16, 2025
CVE: CVE-2025-59364
GHSA: GHSA-qhwp-454g-2gv4
Severity: Medium
Exploit:

CVSS v3:

Severity: Unknown
Score:
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

CWEs:

CWE-674

Affected Software
References

Software	From	Fixed in
express-xss-sanitizer	-	2.0.0.x

https://gist.github.com/Spendroslav/177804eaef5acfb222a550de212a1b94
https://www.npmjs.com/package/express-xss-sanitizer

Vulnerability Database

CVE-2025-59364