CVE-2025-53484

SecurePoll: Multiple locations vulnerable to Cross-Site Scripting (XSS) via unescaped input

Description

User-controlled inputs are improperly escaped in: * VotePage.php (poll option input) * ResultPage::getPagesTab() and getErrorsTab() (user-controllable page names) This allows attackers to inject JavaScript and compromise user sessions under certain conditions. 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.

Category

9.8
CVSS
Severity: Critical
CVSS 3.1 •
EPSS 0.03%
Affected: Wikimedia Foundation Mediawiki - SecurePoll extension
Published at:
Updated at:

References

Link Tags
https://phabricator.wikimedia.org/T392341
https://gerrit.wikimedia.org/r/1149669
https://gerrit.wikimedia.org/r/1149655

Frequently Asked Questions

What is the severity of CVE-2025-53484?
CVE-2025-53484 has been scored as a critical severity vulnerability.
How to fix CVE-2025-53484?
To fix CVE-2025-53484, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-53484 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2025-53484 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-53484?
CVE-2025-53484 affects Wikimedia Foundation Mediawiki - SecurePoll extension.
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