Vulnerabilities > CVE-2022-21169 - Unspecified vulnerability in Express XSS Sanitizer Project Express XSS Sanitizer
Attack vector
NETWORK Attack complexity
LOW Privileges required
NONE Confidentiality impact
LOW Integrity impact
LOW Availability impact
NONE Summary
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.
Vulnerable Configurations
References
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4
- https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4
- https://runkit.com/embed/w306l6zfm7tu
- https://runkit.com/embed/w306l6zfm7tu
- https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443
- https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443