CVE-2022-21169

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.

Score

CVSS 3.1 7.3 High

Status

Modified - report@snyk.io

Published

2022-09-26

Last modified

2025-05-21

Weaknesses

CWE-1321

Affected products

• Express Xss Sanitizer (Express Xss Sanitizer Project)

References

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