Detections
Analytics

SCA: security update for dompurify (GHSA-rp9w-3fw7-7cwq)

medium Tenable Self-Hosted Container Security Plugin ID 443264

Description

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

 - DOMPurify is a DOM-only cross-site scripting sanitizer for HTML, MathML, and SVG. Prior to 3.4.7,
 DOMPurify IN_PLACE sanitization could skip shadow contents attached to an element inside
 <template>.content, allowing attacker-controlled markup such as event handlers, JavaScript URLs, or
 scripts to survive and execute when an application cloned and inserted the sanitized template. This issue
 is fixed in version 3.4.7. (CVE-2026-49978)

Solution

Update the dompurify library and its related packages to version 3.4.7 or later.

See Also

https://github.com/advisories/GHSA-rp9w-3fw7-7cwq

Plugin Details

Severity: Medium

ID: 443264

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 6/16/2026

Updated: 7/22/2026

Supported Sensors: Tenable Cloud Security, Tenable Self-Hosted Container Security

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.64

Vendor

Vendor Severity: Medium

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-2026-49978

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: 6.3

Threat Score: 5.2

Threat Vector: CVSS:4.0/E:P

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 6/15/2026

Vulnerability Publication Date: 6/15/2026

Reference Information

CVE: CVE-2026-49978

cwe: CWE-79