CVE-2025-63307 Cross-site scripting in n/a
Attackers can execute arbitrary scripts by uploading malicious HTML or SVG files due to insufficient validation in the Laravel file manager library.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-63307?
CVE-2025-63307 is a high-severity cross-site scripting vulnerability in n/a, published on 6 Nov 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
alexusmai laravel-file-manager 3.3.1 is vulnerable to Cross Site Scripting (XSS). The application permits user-controlled upload, create, and rename of files to HTML and SVG types and serves those files inline without adequate content-type validation or output sanitization.
Weakness: CWE-79
Which versions are affected by CVE-2025-63307?
It affects 1 product.
Products include Alexusmai Laravel File Manager.
How do I fix CVE-2025-63307?
No fix has been published for CVE-2025-63307 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-63307 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-63307 exists.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in n/a
Sources
Also known as GHSA-f9mp-xcq7-hf3m.