PT-2024-28933 · Mediawiki+1 · Mediawiki Checkuser Extension+1

Dreamy_Jazz · Published 2024-07-06 · Updated 2025-06-19 · CVE-2024-40597

Positive Technologies (AI Summary)

CVSS v3.1

7.5

High

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Name of the Vulnerable Software and Affected Versions MediaWiki CheckUser extension versions through 1.42.1

Description An issue was discovered in the CheckUser extension for MediaWiki. It can expose suppressed information for log events, as the log deleted attribute is not respected.

Recommendations For versions through 1.42.1, consider updating to a version where this issue is fixed, as the current version can expose sensitive information. At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALT-PU-2025-5905

BIT-MEDIAWIKI-2024-40597

CVE-2024-40597

Affected Products

Alt Linux

Mediawiki Checkuser Extension

References · 10

• https://osv.dev/vulnerability/CVE-2024-40597 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2024-40597 · Security Note
• https://phabricator.wikimedia.org/T326865 · Vendor Advisory
• https://osv.dev/vulnerability/BIT-mediawiki-2024-40597 · Vendor Advisory
• https://twitter.com/cracbot/status/1810554585179898182 · Twitter Post
• https://twitter.com/cracbot/status/1811279297266733134 · Twitter Post
• https://twitter.com/VulmonFeeds/status/1809825446332129590 · Twitter Post
• https://twitter.com/CVEnew/status/1809733865638085087 · Twitter Post
• https://t.me/cvenotify/85313 · Telegram Post
• https://t.me/cvedetector/161 · Telegram Post