CVE-2023-4636 WordPress File Sharing Plugin <= 2.0.3 - Authenticated (Admin+) Stored Cross-Site Scripting
Administrators can inject arbitrary scripts via settings in multi-site or restricted HTML environments, leading to stored XSS execution.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2023-4636?
CVE-2023-4636 is a medium-severity cross-site scripting vulnerability in deepakkite File Sharing & Download Manager – User Private Files, published on 5 Sep 2023. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The WordPress File Sharing Plugin plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in versions up to, and including, 2.0.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
Weakness: CWE-79
Which versions are affected by CVE-2023-4636?
It affects 1 product.
Products include Userprivatefiles Wordpress File Sharing Plugin.
How do I fix CVE-2023-4636?
No fix has been published for CVE-2023-4636 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-2023-4636 being exploited?
There is no known exploitation of CVE-2023-4636 in the wild and no public exploit code.
Public exploit code: 1 proofs of concept on GitHub.
Other vulnerabilities in deepakkite File Sharing & Download Manager – User Private Files
Sources
Also known as GHSA-3v5w-qr7m-48r9.