SCA: security update for bleach (GHSA-vv2x-vrpj-qqpq)

medium Tenable Self-Hosted Container Security Plugin ID 419532

Description

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

- A mutation XSS affects users calling bleach.clean with all of: svg or math in the allowed tags p or br in
allowed tags style, title, noscript, script, textarea, noframes, iframe, or xmp in allowed tags the
keyword argument strip_comments=False Note: none of the above tags are in the default allowed tags and
strip_comments defaults to True. (CVE-2021-23980)

See Also

https://github.com/advisories/GHSA-vv2x-vrpj-qqpq

Plugin Details

Severity: Medium

ID: 419532

Version: Revision 1.5

Type: Local

Family: SCA Checks

Published: 1/23/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 2.3

Percentile: 8.67

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-2021-23980

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: 6.9

Threat Score: 5.5

Threat Vector: CVSS:4.0/E:P

Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/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: 2/2/2021

Vulnerability Publication Date: 2/2/2021

Reference Information

CVE: CVE-2021-23980

cwe: CWE-79