Detections
Analytics

SCA: security update for mediawiki/core (GHSA-4vr7-m8p8-434h)

medium Tenable Self-Hosted Container Security Plugin ID 434287

Description

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

 - In MediaWiki before 1.31.10 and 1.32.x through 1.34.x before 1.34.4, XSS related to jQuery can occur. The
 attacker creates a message with [javascript:payload xss] and turns it into a jQuery object with
 mw.message().parse(). The expected result is that the jQuery object does not contain an <a> tag (or it
 does not have a href attribute, or it's empty, etc.). The actual result is that the object contains an <a
 href ="javascript... that executes when clicked. (CVE-2020-25814)

See Also

https://github.com/advisories/GHSA-4vr7-m8p8-434h

Plugin Details

Severity: Medium

ID: 434287

Version: Revision 1.2

Type: Local

Family: SCA Checks

Published: 8/19/2025

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-2020-25814

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

Vulnerability Information

Exploit Ease: No known exploits are available

Patch Publication Date: 5/24/2022

Vulnerability Publication Date: 9/27/2020

Reference Information

CVE: CVE-2020-25814

cwe: CWE-79