CVE-2025-7803 descreekert wx-discuz wx.php validToken cross site scripting
Remote attackers can inject malicious scripts via the echostr parameter in wx.php, potentially compromising user sessions or executing code.
- 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-2025-7803?
CVE-2025-7803 is a medium-severity cross-site scripting vulnerability in descreekert wx-discuz, published on 18 Jul 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 was found in descreekert wx-discuz up to 12bd4745c63ec203cb32119bf77ead4a923bf277. It has been classified as problematic. This affects the function validToken of the file /wx.php. The manipulation of the argument echostr leads to cross site scripting. It is possible to initiate the attack remotely. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available.
Which versions are affected by CVE-2025-7803?
How do I fix CVE-2025-7803?
No fix has been published for CVE-2025-7803 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-2025-7803 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7803 exists.
Sources
Also known as GHSA-255h-29g9-9gqp.