SCA: security update for mediawiki/core (GHSA-pfm2-mqwj-ggm5)

medium Tenable Self-Hosted Container Security Plugin ID 434983

Description

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

- In MediaWiki before 1.34.1, users can add various Cascading Style Sheets (CSS) classes (which can affect
what content is shown or hidden in the user interface) to arbitrary DOM nodes via HTML content within a
MediaWiki page. This occurs because jquery.makeCollapsible allows applying an event handler to any
Cascading Style Sheets (CSS) selector. There is no known way to exploit this for cross-site scripting
(XSS). (CVE-2020-10960)

See Also

https://github.com/advisories/GHSA-pfm2-mqwj-ggm5

Plugin Details

Severity: Medium

ID: 434983

Version: Revision 1.3

Type: Local

Family: SCA Checks

Published: 8/20/2025

Updated: 7/2/2026

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

Risk Information

VPR

Risk Factor: Low

Score: 1.2

Percentile: 0.01

Vendor

Vendor Severity: Medium

CVSS v2

Risk Factor: Medium

Base Score: 5

Temporal Score: 3.9

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

CVSS Score Source: CVE-2020-10960

CVSS v3

Risk Factor: Medium

Base Score: 5.3

Temporal Score: 4.8

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

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

Vulnerability Information

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 4/3/2020

Reference Information

CVE: CVE-2020-10960