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

• Solid Lacks Escaping of HTML in JSX Fragments allows for Cross-Site Scripting (XSS) - CVE-2025-27109
• QMarkdown Cross-Site Scripting (XSS) vulnerability - CVE-2025-43954
• Nuxt DevTools vulnerable to cross-site scripting (XSS) - CVE-2025-52662
• Vega Cross-Site Scripting (XSS) via expressions abusing toString calls in environments using the VEGA_DEBUG global varia (GHSA-7f2v-3qq3-vvjf) 2 - CVE-2025-59840

Tags:

npm

dompurify