What is CVE-2025-15599?

CVE-2025-15599 is a medium-severity vulnerability in Cure53 Dompurify, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-03.

How severe is CVE-2025-15599?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Cure53 Dompurify

CVE-2025-15599

DOMPurify 3.1.3 through 3.2.6 and 2.5.3 through 2.5.8 contain a cross-site scripting vulnerability that allows attackers to bypass attribute sanitization by exploiting missing textarea rawtext element validation in the SAFE_FOR_XML regex…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (12.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Cure53 Dompurify — versions 3.1.3, 3.2.7, 2.5.3

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

DOMPurify GitHub Repository (product)
github.com/cure53/DOMPurify/commit/c861f5a83fb8d90800f1680f855fee551161ac2b (patch)
VulnCheck Advisory: DOMPurify XSS via Textarea Rawtext Bypass in SAFE_FOR_XML (third-party-advisory)

Frequently asked questions

What is CVE-2025-15599?: CVE-2025-15599 is a medium-severity vulnerability in Cure53 Dompurify, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2026-03-03.
How severe is CVE-2025-15599?: Medium severity. CVSS v3 base score is 6.1 out of 10.