Detections
Analytics

SCA: security update for HtmlSanitizer (GHSA-j92c-7v7g-gj3f)

medium Tenable Self-Hosted Container Security Plugin ID 437484

Description

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

 - HtmlSanitizer is a .NET library for cleaning HTML fragments and documents from constructs that can lead to
 XSS attacks. Prior to versions 9.0.892 and 9.1.893-beta, if the template tag is allowed, its contents are
 not sanitized. The template tag is a special tag that does not usually render its contents, unless the
 shadowrootmode attribute is set to open or closed. This issue has been patched in versions 9.0.892 and
 9.1.893-beta. (CVE-2026-25543)

See Also

https://github.com/advisories/GHSA-j92c-7v7g-gj3f

Plugin Details

Severity: Medium

ID: 437484

Version: Revision 1.12

Type: Local

Family: SCA Checks

Published: 2/4/2026

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 9.05

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 6.4

Temporal Score: 4.7

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

CVSS Score Source: CVE-2026-25543

CVSS v3

Risk Factor: Medium

Base Score: 6.1

Temporal Score: 5.3

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:U/RL:O/RC:C

CVSS v4

Risk Factor: Medium

Base Score: 6.3

Threat Score: 1.7

Threat Vector: CVSS:4.0/E:U

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 2/3/2026

Vulnerability Publication Date: 2/3/2026

Reference Information

CVE: CVE-2026-25543