CVE-2026-15540 SourceCodester Online Book Store System Administrative index.php php file inclusion
Remote attackers can exploit improper filename control in the admin interface to include arbitrary files, potentially leading to code execution or data disclosure.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-15540?
CVE-2026-15540 is a medium-severity path traversal vulnerability in SourceCodester Online Book Store System, published on 13 Jul 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A vulnerability was detected in SourceCodester Online Book Store System 1.0. The affected element is an unknown function of the file /admin/index.php of the component Administrative Interface. Performing a manipulation of the argument page results in improper control of filename for include/require statement in php program. It is possible to initiate the attack remotely. The exploit is now public and may be used.
Which versions are affected by CVE-2026-15540?
How do I fix CVE-2026-15540?
No fix has been published for CVE-2026-15540 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-15540 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-15540 exists.
Sources
Also known as GHSA-gxqv-hc62-jvc7.