Echo: dompurify: security update to 3.3.2

medium Tenable Cloud Security Plugin ID 461467

Description

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

- DOMPurify before 3.3.2 contains a mutation-XSS vulnerability when sanitized HTML is reinserted into
special parsing contexts using innerHTML with wrappers like script, xmp, iframe, noembed, noframes, or
noscript. Attackers can craft payloads with closing sequences that break out of the wrapper context during
reparsing, reactivating dangerous markup with event handlers to execute JavaScript. (CVE-2026-65914)

Solution

Update the dompurify library and its related packages to version 3.3.2 or later.

Plugin Details

Severity: Medium

ID: 461467

Version: Revision 1.1

Type: Local

Published: 10/2/2026

Updated: 10/2/2026

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.76

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 5

Vector: CVSS2#AV:N/AC:L/Au:N/C:P/I:P/A:N

CVSS Score Source: CVE-2026-65914

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.5

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Temporal Vector: CVSS:3.0/E:P/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 5.3

Threat Score: 2.1

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 9/28/2026

Vulnerability Publication Date: 3/27/2026

Reference Information

CVE: CVE-2026-65914