CVE-2026-16229 itsourcecode Courier Management System index.php cross site scripting
Remote attackers can execute arbitrary scripts via the page parameter in index.php, 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-2026-16229?
CVE-2026-16229 is a medium-severity cross-site scripting vulnerability in itsourcecode Courier Management System, published on 19 Jul 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 flaw has been found in itsourcecode Courier Management System up to 1.0. Affected by this vulnerability is an unknown functionality of the file /index.php. Executing a manipulation of the argument page can lead to cross site scripting. It is possible to launch the attack remotely. The exploit has been published and may be used.
Which versions are affected by CVE-2026-16229?
How do I fix CVE-2026-16229?
No fix has been published for CVE-2026-16229 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-2026-16229 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-16229 exists.
Sources
Also known as GHSA-99rp-hq8h-747m.