CVE-2026-11518 SourceCodester Inventory System User Management users.php cross site scripting
Remote attackers can inject malicious scripts via the fullname or username fields in the User Management page, 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-2026-11518?
CVE-2026-11518 is a medium-severity cross-site scripting vulnerability in SourceCodester Inventory System, published on 8 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 vulnerability was identified in SourceCodester Inventory System 1.0. Affected is an unknown function of the file /users.php of the component User Management Page. The manipulation of the argument fullname/username leads to cross site scripting. The attack is possible to be carried out remotely. The exploit is publicly available and might be used.
Which versions are affected by CVE-2026-11518?
How do I fix CVE-2026-11518?
No fix has been published for CVE-2026-11518 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-2026-11518 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-11518 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-pq38-j3fr-2399.