What is the CVSS score of CVE-2025-55135?

CVE-2025-55135 has a CVSS 3.1 base score of 6.4 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N. EPSS exploitation probability: 0.0%.

How to fix or mitigate CVE-2025-55135?

Within 30 days: Identify affected systems running Agora Foundation Agora fall23-Alpha1 and apply vendor patches as part of regular patch cycle. Review file handling controls.

CVE-2025-55135

MEDIUM

Unrestricted Upload of File with Dangerous Type (CWE-434)

2025-08-07 cve@mitre.org

File Upload XSS

6.4

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.4 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

None

Lifecycle Timeline

Analysis Generated

Mar 28, 2026 - 19:05 vuln.today

CVE Published

Aug 07, 2025 - 16:15 nvd

MEDIUM 6.4

DescriptionCVE.org

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.

AnalysisAI

In Agora Foundation Agora fall23-Alpha1 before 690ce56, there is XSS via a profile picture to server/controller/userController.js. Rated medium severity (CVSS 6.4), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Unrestricted File Upload (CWE-434), which allows attackers to upload malicious files that can be executed on the server. 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. Version information: before 690.

Affected ProductsAI

See vendor advisory for affected versions.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate file types server-side, store uploads outside webroot, use random filenames, scan for malware.