CVE-2025-53485 json
SecurePoll: Unauthorized access to SetTranslationHandler allows arbitrary text changes
published 2025-07-04 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-20087
- cvss
- 7.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 21%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Wikimedia Foundation Mediawiki - SecurePoll extension 1.39.13, 1.42.7, 1.43.2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- partial
- Assessed
- 16 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 21% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| CNA | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected products
- Wikimedia Foundation Mediawiki - SecurePoll extension
Classification
- Weakness
-
- CWE-862 Missing Authorization
References
Sources
- CVE List CVE-2025-53485
- NVD CVE-2025-53485
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.