SCA: security update for html5lib (GHSA-v9v9-xffq-rwr4)

medium Tenable Cloud Security Plugin ID 419240

Description

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

- The serializer in html5lib before 0.99999999 might allow remote attackers to conduct cross-site scripting
(XSS) attacks by leveraging mishandling of the < (less than) character in attribute values.
(CVE-2016-9909)

See Also

https://github.com/advisories/GHSA-v9v9-xffq-rwr4

Plugin Details

Severity: Medium

ID: 419240

Version: Revision 1.4

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: 4.3

Temporal Score: 3.2

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

CVSS Score Source: CVE-2016-9909

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: 5.3

Threat Score: 1.3

Threat Vector: CVSS:4.0/E:U

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 Ease: No known exploits are available

Patch Publication Date: 5/17/2022

Vulnerability Publication Date: 12/8/2016

Reference Information

CVE: CVE-2016-9909

BID: 95132

cwe: CWE-79