CVE-2025-34113 Tiki Wiki CMS Authenticated Command Injection in Calendar Module
Authenticated attackers can execute arbitrary PHP code via the viewmode parameter in the Calendar module, leading to remote code execution.
- 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-2025-34113?
CVE-2025-34113 is a high-severity command injection vulnerability in Tiki Software Community Association Wiki CMS Groupware, published on 15 Jul 2025. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An authenticated command injection vulnerability exists in Tiki Wiki CMS versions ≤14.1, ≤12.4 LTS, ≤9.10 LTS, and ≤6.14 via the `viewmode` GET parameter in `tiki-calendar.php`. When the calendar module is enabled and an authenticated user has permission to access it, an attacker can inject and execute arbitrary PHP code. Successful exploitation leads to remote code execution in the context of the web server user.
Which versions are affected by CVE-2025-34113?
How do I fix CVE-2025-34113?
No fix has been published for CVE-2025-34113 yet. Limit exposure of the affected software until one is available.
Upgrade, and pass arguments to programs as a list instead of through a shell. More about Command injection.
Is CVE-2025-34113 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-34113 exists.
Public exploit code: 1 Metasploit module.
Sources
Also known as GHSA-mpf8-7ggf-mqcv.