Passing in a non-string 'html' argument can lead to unsanitized output

Description

A type-confusion vulnerability can cause striptags to concatenate unsanitized strings when an array-like object is passed in as the html parameter. This can be abused by an attacker who can control the shape of their input, e.g. if query parameters are passed directly into the function.

Recommendation

Update the striptags package to the latest compatible version. Followings are version details:

• Affected version(s): < 3.2.0
• Patched version(s): 3.2.0

References

• GHSA-qxg5-2qff-p49r
• www.npmjs.com
• CVE-2021-32696
• CWE-241
• CWE-79
• CWE-843
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• Improper Input Validation in sanitize-html (GHSA-mjxr-4v3x-q3m4) - CVE-2021-26540
• Happy DOM: VM Context Escape can lead to Remote Code Execution - CVE-2025-61927
• string-kit Inefficient Regular Expression Complexity vulnerability - CVE-2021-4299
• Improper Input Validation in sanitize-html - CVE-2021-26539

Tags:

npm

striptags