DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE_PROFILES mode that allows attackers to bypass attribute filtering by polluting Array.prototype properties. Attackers can set Array.prototype properties like onclick to true, causing DOMPurify to accept event handlers as allowlisted attributes and resulting in DOM-based XSS when sanitized markup is rendered.

There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE_PROFILES mode that allows
    attackers to bypass attribute filtering by polluting Array.prototype properties. Attackers can set
    Array.prototype properties like onclick to true, causing DOMPurify to accept event handlers as allowlisted
    attributes and resulting in DOM-based XSS when sanitized markup is rendered. (CVE-2026-65913)

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - DOMPurify before 3.3.2 contains a prototype pollution vulnerability in USE_PROFILES mode that allows     attackers to bypass attribute filtering by polluting Array.prototype properties. Attackers can set     Array.prototype properties like onclick to true, causing DOMPurify to accept event handlers as allowlisted     attributes and resulting in DOM-based XSS when sanitized markup is rendered. (CVE-2026-65913)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Type	Severity
459638	Echo: dompurify: security update to 3.3.2	Tenable Cloud Security	Echo Local Security Checks	Local	medium
459638	Echo: dompurify: security update to 3.3.2	Tenable Self-Hosted Container Security	Echo Local Security Checks	Local	medium
329638	Linux Distros Unpatched Vulnerability : CVE-2026-65913	Nessus	Misc.	Local	medium
439742	SCA: security update for dompurify (GHSA-cj63-jhhr-wcxv)	Tenable Cloud Security	SCA Checks	Local	medium
439742	SCA: security update for dompurify (GHSA-cj63-jhhr-wcxv)	Tenable Self-Hosted Container Security	SCA Checks	Local	medium

Detections

Analytics

CVE-2026-65913

medium

Tenable Plugins

medium

medium

medium

medium

medium