CVE-2026-7090 code-projects Chat System send_message.php cross site scripting
Remote attackers can inject malicious scripts via the message argument in the admin chat interface, potentially compromising user sessions.
- 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-2026-7090?
CVE-2026-7090 is a medium-severity cross-site scripting vulnerability in code-projects Chat System, published on 27 Apr 2026. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
A vulnerability was detected in code-projects Chat System 1.0. This affects an unknown function of the file /admin/send_message.php of the component Chat Interface. The manipulation of the argument msg results in cross site scripting. The attack may be launched remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2026-7090?
How do I fix CVE-2026-7090?
No fix has been published for CVE-2026-7090 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-2026-7090 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-7090 exists.
Sources
Also known as GHSA-cw95-jhf3-2cv5.