CVE-2026-13567 code-projects Online Music Site POST Request Feedback.php cross site scripting
Remote attackers can inject malicious scripts via feedback form fields in the Online Music Site application, potentially compromising user sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-13567?
CVE-2026-13567 is a medium-severity cross-site scripting vulnerability in code-projects Online Music Site, published on 29 Jun 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A security flaw has been discovered in code-projects Online Music Site 1.0. This affects an unknown part of the file /Frontend/Feedback.php of the component POST Request Handler. The manipulation of the argument fname/femail/faddress/fmessage results in cross site scripting. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks.
Which versions are affected by CVE-2026-13567?
How do I fix CVE-2026-13567?
No fix has been published for CVE-2026-13567 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-2026-13567 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-13567 exists.
Sources
Also known as GHSA-j522-hg24-c99g.