CVE-2025-53485

HIGHCVSS 7.5/10EPSS 0.25%

Last modified

CVE-2025-53485 is a high-severity vulnerability rated 7.5/10 on the CVSS scale. 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.. EPSS estimates a 0.25% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1
7.5/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N

EPSS Probability
0.25%

16.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

References

Timeline

Published
Last Modified
Status
Deferred

Frequently Asked Questions

What is CVE-2025-53485?
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.
How severe is CVE-2025-53485?
CVE-2025-53485 has a CVSS score of 7.5/10 (HIGH severity). The EPSS model estimates a 0.25% probability of exploitation in the next 30 days.
How do I fix CVE-2025-53485?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2025-53485?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST