CVE-2025-3387 renrenio renren-security JSON cross site scripting
Remote attackers can execute arbitrary scripts via JSON handler in renren-security, potentially compromising user sessions and data.
- 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-2025-3387?
CVE-2025-3387 is a medium-severity cross-site scripting vulnerability in renrenio renren-security, published on 7 Apr 2025. 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 vulnerability classified as problematic has been found in renrenio renren-security up to 5.4.0. This affects an unknown part of the component JSON Handler. The manipulation leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2025-3387?
It affects 1 product.
Products include Renrenio Renren-Security.
How do I fix CVE-2025-3387?
No fix has been published for CVE-2025-3387 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-2025-3387 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-3387 exists.
Sources
Also known as GHSA-qmp8-f8gr-pg77.