CVE-2025-15599
DOMPurify: DOMPurify: Cross-site scripting
Severity
ModerateRed Hat Product Security
CVSS 3.1
Review impact separately from score.
Published · March 4, 2026
Updated · October 21, 2026
Description
A flaw was found in DOMPurify, a library designed to prevent web vulnerabilities. A remote attacker can exploit a cross-site scripting (XSS) vulnerability by bypassing the library's sanitization process. This bypass is possible due to improper validation of textarea rawtext elements, allowing attackers to inject malicious code. Successful exploitation could lead to arbitrary JavaScript execution in a user's browser, potentially compromising user sessions or disclosing sensitive information.
CVSS score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.
CVSS / CWE
CVSS 3.1 · 6.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')