CVE-2025-53484 json
SecurePoll: Multiple locations vulnerable to Cross-Site Scripting (XSS) via unescaped input
published 2025-07-04 16 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-20088
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.5%
- EPSS 0.5% chance of exploitation in 30 days, percentile 45%
- public exploits
- 0
- none known
Summary
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.
Patch / fix
- Wikimedia Foundation Mediawiki - SecurePoll extension 1.39.13, 1.42.7, 1.43.2
CISA SSVC
- Exploitation
- none
- Automatable
- yes
- Technical impact
- total
- Assessed
- 16 mo ago
Exploit prediction
0.54% chance of exploitation in the next 30 days, higher than 45% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Wikimedia Foundation Mediawiki - SecurePoll extension
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
Sources
- CVE List CVE-2025-53484
- NVD CVE-2025-53484
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.