CVE-2020-25828: MediaWiki Cross-site Scripting (XSS) vulnerability

CVE-2020-25828 · Severity: low · CVSS 3.1 · Published 2022-05-24

MediaWiki Cross-site Scripting (XSS) vulnerability

Technologies: mediawiki/core (Packagist). Vendors: Packagist.

Quick answers

Is CVE-2020-25828 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2020-25828 being exploited in the wild.
How severe is CVE-2020-25828?
Low severity, with a CVSS score of 3.1, published 24 May 2022.
Which products and versions are affected?
mediawiki/core (Packagist) ECOSYSTEM:introduced=1.31.0,fixed=1.31.9.
Is there a fix for CVE-2020-25828?
Yes. mediawiki/core (Packagist): upgrade to 1.31.9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
Am I affected by CVE-2020-25828?
Check whether you run mediawiki/core (Packagist) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • mediawiki/core (Packagist): upgrade to 1.31.9 or later
    composer require mediawiki/core:^1.31.9

Affected products

  • mediawiki/core (Packagist) ECOSYSTEM:introduced=1.31.0,fixed=1.31.9

Identifiers

  • CVE-2020-25828
  • GHSA-h8qx-mj6v-2934

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