CVE-2025-59364

CVSS 5.3 MEDIUMEPSS 0.4%CWE-674

Vexday Risk Score

13Low

SSVC decision (CISA)

Track

No exploitation signal → monitor

CVSS 5.3EPSS 0.4%KEV nãoPoC —Nuclei —Metasploit —Patch —

Lifecycle

14 Sep 2025Published on NVD

Recommendation: Monitor — no exploitation signal at the moment.

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

Express XSS Sanitizer project · Express XSS Sanitizer

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References

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