DOMPurify allows Cross-site Scripting (XSS)

Description

DOMPurify before 3.2.4 has an incorrect template literal regular expression when SAFE_FOR_TEMPLATES is set to true, sometimes leading to mutation cross-site scripting (mXSS).

Recommendation

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

• Affected version(s): < 3.2.4
• Patched version(s): 3.2.4

References

• GHSA-vhxf-7vqr-mrjg
• ensy.zip
• nsysean.github.io
• CVE-2025-26791
• CWE-79
• CAPEC-310
• OWASP 2021-A3
• OWASP 2021-A6

Related Issues

• mpregular vulnerable to prototype pollution - CVE-2025-57323
• lite-server vulnerable to Denial of Service - CVE-2022-25940
• Manifest Uses a One-Way Hash without a Salt - CVE-2025-27408
• Regular Expression Denial of Service (ReDoS) - Vulnerability

Tags:

npm

dompurify