Cross-site scripting in DOMPurify - CVE-2025-15599
Published: June 29, 2026
Vulnerability identifier: #VU135709
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2025-15599
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data. The vulnerability allows attackers to bypass attribute sanitization by exploiting missing textarea rawtext element validation in the SAFE_FOR_XML regex.
Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.
Affected software
DOMPurify
DataStage on Cloud Pak for Data
DataStage on Cloud Pak for Data
How to mitigate CVE-2025-15599
Cybersecurity Help is currently unaware of any official solution to address this vulnerability..
DOMPurify - update to 3.2.7
DataStage on Cloud Pak for Data - update to 5.3.1 patch 7
DataStage on Cloud Pak for Data - update to 5.3.1 patch 7