CVE-2023-39612 Cross-site scripting in n/a
An authenticated attacker can escalate privileges to Administrator via XSS in FileBrowser, requiring user interaction with a crafted file or URL.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-39612?
CVE-2023-39612 is a critical cross-site scripting vulnerability in n/a, published on 16 Sep 2023. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A cross-site scripting (XSS) vulnerability in FileBrowser before v2.23.0 allows an authenticated attacker to escalate privileges to Administrator via user interaction with a crafted HTML file or URL.
Weakness: CWE-79
Which versions are affected by CVE-2023-39612?
It affects 1 product.
Products include Filebrowser Filebrowser.
How do I fix CVE-2023-39612?
No fix has been published for CVE-2023-39612 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-2023-39612 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-39612 exists.
Other vulnerabilities in n/a
- CVE-2026-32760 File Browser Self Registration Grants Any User Admin Access When Default Permissions Include Admin
- CVE-2026-29188 File Browser: TUS Delete Endpoint Bypasses Delete Permission Check
- CVE-2026-30934 FileBrowser Quantum: Stored XSS in public share page via unsanitized share metadata (text/template misuse)
- CVE-2021-46398 Cross-Site Request Forgery in Filebrowser
- CVE-2026-35604 File Browser share links remain accessible after Share/Download permissions are revoked
Sources
Also known as GHSA-pc36-r7r4-c3rv.