CVE-2019-16769

MediumCVSS 5.4/10Last modified Jun 17, 2026

Description

The serialize-javascript npm package before version 2.1.1 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.

Metrics

CVSS 3.1 5.4/10CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Weakness enumeration

CWE-79

Affected software

Vendor	Product	Versions
yahoo	serialize-javascript	>= < 2.1.1, < 2.1.1

References

https://github.com/yahoo/serialize-javascript/security/advisories/GHSA-h9rv-jmmf-4pgxThird Party Advisory
https://github.com/yahoo/serialize-javascript/security/advisories/GHSA-h9rv-jmmf-4pgxThird Party Advisory

Timeline

Published: Dec 5, 2019
Last modified: Jun 17, 2026
NVD status: Modified

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