MEDIUM6.1

GHSA-grjp-4jmr-mjcw

express-xss-sanitizer vulnerable to Prototype Pollution via allowedTags attribute

Quick fix

GHSA-grjp-4jmr-mjcw — express-xss-sanitizer: upgrade to the fixed version with the command below.

npm install express-xss-sanitizer@1.1.3

Details

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

Are you affected?

Enter the version of the package you're using.

Affected packages

npm/express-xss-sanitizer

Introduced in: 0Fixed in: 1.1.3

Fixnpm install express-xss-sanitizer@1.1.3

References

https://nvd.nist.gov/vuln/detail/CVE-2022-21169[ADVISORY]
https://github.com/AhmedAdelFahim/express-xss-sanitizer/issues/4[WEB]
https://github.com/AhmedAdelFahim/express-xss-sanitizer/commit/3bf8aaaf4dbb1c209dcb8d87a82711a54c1ab39a[WEB]
https://github.com/AhmedAdelFahim/express-xss-sanitizer[PACKAGE]
https://runkit.com/embed/w306l6zfm7tu[WEB]
https://security.snyk.io/vuln/SNYK-JS-EXPRESSXSSSANITIZER-3027443[WEB]