MEDIUM

CVE-2025-26791

CVSS v3

6.1

MEDIUM

EPSS Score

0.6 %

exploit probability, as of 2026-10-18

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

dompurifynpmall versions · fixed in 3.2.4

Vendor advisories

CVE-2025-26791 Red Hat Product Security285 products fixed · 36 known affected
dompurify: Mutation XSS in DOMPurify Due to Improper Template Literal Handling
cryostat/cryostat-rhel9 as a component of Cryostat 3 · migration-toolkit-virtualization/mtv-console-plugin-rhel9 as a component of Migration Toolkit for Virtualization · kn-backstage-plugins-eventmesh-rhel8 as a component of OpenShift Serverless
RHSA-2026:3406 Red Hat Product Security4 products fixed
Red Hat Security Advisory: New container image: rhceph-9.0
RHSA-2026:2769 Red Hat Product Security262 products fixed
Red Hat Security Advisory: Red Hat Ceph Storage 7.1 security and bug fix updates
RHSA-2026:2737 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Red Hat Ceph Storage
RHSA-2025:10020 Red Hat Product Security4 products fixed
Red Hat Security Advisory: Network Observability 1.9.0 for OpenShift
RHSA-2025:7626 Red Hat Product Security1 product fixed
Red Hat Security Advisory: Red Hat Developer Hub 1.6.0 release.

5 more advisories

Full record on NVD

Description

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

Technical details

Published: 2025-02-14

Frequently asked questions

What is CVE-2025-26791?

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

Is CVE-2025-26791 actively exploited?

Active exploitation of CVE-2025-26791 has not been confirmed. Its EPSS score was 0.6% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2025-26791?

CVE-2025-26791 has a CVSS v3 base score of 6.1 (MEDIUM severity).

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