CVE-2026-13504 code-projects Project Management System Mail Compose mail.php cross site scripting
Remote attackers can execute arbitrary scripts via the Mail Compose page in code-projects Project Management System, potentially compromising user sessions.
- 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-2026-13504?
CVE-2026-13504 is a medium-severity cross-site scripting vulnerability in code-projects Project Management System, published on 28 Jun 2026. 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 has been found in code-projects Project Management System 1.0. This vulnerability affects unknown code of the file /mail.php of the component Mail Compose Page. Such manipulation leads to cross site scripting. The attack may be performed from remote. The exploit has been disclosed to the public and may be used.
Which versions are affected by CVE-2026-13504?
How do I fix CVE-2026-13504?
No fix has been published for CVE-2026-13504 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-2026-13504 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13504 exists.
Sources
Also known as GHSA-7252-h5v6-wx9v.