Critical severity · published Jul 4, 2025
CVE-2025-53484
SecurePoll: Multiple locations vulnerable to Cross-Site Scripting (XSS) via unescaped input
9.8
CVSS
0.5%
EPSS
No
On KEV
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 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.5% · higher than 45% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
MS
Mediawiki - SecurePoll extension · Wikimedia Foundation
1.39.x before 1.39.13; 1.42.x before 1.42.7; 1.43.x before 1.43.2 · source: vendor
Affected product
MS
Mediawiki - SecurePoll extension
Wikimedia Foundation
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2025-53484
CVE.org
https://www.cve.org/CVERecord?id=CVE-2025-53484
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/1149655
gerrit.wikimedia.org
https://gerrit.wikimedia.org/r/1149669
phabricator.wikimedia.org
https://phabricator.wikimedia.org/T392341
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