Vulnerability CVE-2022-21169
Published: 2022-09-26

Description:
The package express-xss-sanitizer before 1.1.3 are vulnerable to Prototype Pollution via the allowedTags attribute, allowing the attacker to bypass xss sanitization.

 References:
https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a
https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4
https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443
https://runkit.com/embed/w306l6zfm7tu
Copyright 2026, cxsecurity.com

 

Back to Top