Vulnerability · Published Jul 4, 2025 · Assigned by wikimedia-foundation

CVE-2025-53485SecurePoll: Unauthorized access to SetTranslationHandler allows arbitrary text changes

High 7.5

In plain English

A high-severity missing authorization in Mediawiki - SecurePoll extension from Wikimedia Foundation. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 21% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High
Exploit odds (30 days)0.3%top 78.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

SetTranslationHandler.php does not validate that the user is an election admin, allowing any (even unauthenticated) user to change election-related translation text. While partially broken in newer MediaWiki versions, the check is still missing. This issue affects Mediawiki - SecurePoll extension: from 1.39.X before 1.39.13, from 1.42.X before 1.42.7, from 1.43.X before 1.43.2.

Affected products (as reported)

VendorProductVersions
Wikimedia Foundation Mediawiki - SecurePoll extension 1.39.x – before 1.39.131.42.x – before 1.42.71.43.x – before 1.43.2

Weakness: CWE-862 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

References