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.
Remediation
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
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