CVE-2025-53484 — CRITICAL (9.8)

Vulnerability 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.

CVSS Score

9.8

CRITICAL

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

HIGH

Availability

HIGH

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2025-53484?

CVE-2025-53484 is a vulnerability with a CVSS score of 9.8 (CRITICAL). User-controlled inputs are improperly escaped in: * VotePage.php (poll option input) * ResultPage::getPagesTab() and getErrorsTab() (user-controllable page names) This allow...

How severe is CVE-2025-53484?

CVE-2025-53484 has been rated CRITICAL with a CVSS base score of 9.8/10. This is considered a critical vulnerability requiring immediate attention.

Is there a patch for CVE-2025-53484?

Check the references section above for vendor advisories and patch information. Review vendor security bulletins for remediation guidance.