What is CVE-2025-55135?

CVE-2025-55135 is a medium-severity vulnerability in Agora Foundation, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.4/10. Published 2025-08-07.

How severe is CVE-2025-55135?

Medium severity. CVSS v3 base score is 6.4 out of 10.

Is CVE-2025-55135 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Agora Foundation

CVE-2025-55135

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.002 (15.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N.

Affected products

Agora Foundation — versions 0

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

ARPSyndicate/cve-scores

References

Frequently asked questions

What is CVE-2025-55135?: CVE-2025-55135 is a medium-severity vulnerability in Agora Foundation, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.4/10. Published 2025-08-07.
How severe is CVE-2025-55135?: Medium severity. CVSS v3 base score is 6.4 out of 10.
Is CVE-2025-55135 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.