CVE-2025-55135 json
In Agora Foundation Agora fall23-Alpha1 before 690ce56, there is XSS via a profile picture to server/controller/userController.js.
published 2025-08-07 15 mo ago modified 2026-06-17 4 mo ago also EUVD-2025-23918
- cvss
- 6.4
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 22%
- public exploits
- 0
- none known
Summary
In Agora Foundation Agora fall23-Alpha1 before 690ce56, there is XSS via a profile picture to server/controller/userController.js. Formats other than PNG, JPEG, and WEBP are permitted by server/routes/userRoutes.js; this includes SVG.
Patch / fix
- github.com/agorafoundation/agora@690ce56 commit
- github.com/agorafoundation/agora#556 pull request
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 15 mo ago
Exploit prediction
0.29% chance of exploitation in the next 30 days, higher than 22% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 6.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N |
Affected products
- Agora Foundation Agora
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
- github.com /agorafoundation/agora/pull/556
- github.com /agorafoundation/agora/commit/690ce56f254af01375b6033e53a80f14d7cc002e
- github.com /agorafoundation/agora/blob/90f7f9c217cf1d5dc9d27f5695cd65b61a4c4759/server/controller/userController.js#L332-
- github.com /Msfv3n0m/vulnerability-research/tree/main/CVE-2025-55135
Sources
- CVE List CVE-2025-55135
- NVD CVE-2025-55135
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.