Description
The serialize-to-js NPM package before version 3.0.1 is vulnerable to Cross-site Scripting (XSS). It does not properly mitigate against unsafe characters in serialized regular expressions. This vulnerability is not affected on Node.js environment since Node.js's implementation of RegExp.prototype.toString() backslash-escapes all forward slashes in regular expressions. If serialized data of regular expression objects are used in an environment other than Node.js, it is affected by this vulnerability.
Remediation
References
https://github.com/commenthol/serialize-to-js/security/advisories/GHSA-3fjq-93xj-3f3f
https://github.com/commenthol/serialize-to-js/commit/181d7d583ae5293cd47cc99b14ad13352875f3e3
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