CVE-2025-34113

Public Exploit
Tiki Wiki CMS Authenticated Command Injection in Calendar Module

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.

Category

8.7
CVSS
Severity: High
CVSS 4.0 •
EPSS 0.58%
Vendor Advisory tiki.org
Affected: Tiki Software Community Association Wiki CMS Groupware
Published at:
Updated at:

References

Link Tags
https://tiki.org/article414-Important-Security-Fix-for-all-versions-of-Tiki vendor advisory patch
https://www.exploit-db.com/exploits/39965 exploit
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/tiki_calendar_exec.rb exploit
https://www.acunetix.com/vulnerabilities/web/tiki-wiki-cms-remote-code-execution-via-calendar-module/ third party advisory
https://www.vulncheck.com/advisories/tiki-wiki-cms-authenticated-command-injection-in-calendar-module third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-34113?
CVE-2025-34113 has been scored as a high severity vulnerability.
How to fix CVE-2025-34113?
To fix CVE-2025-34113, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-34113 being actively exploited in the wild?
It is possible that CVE-2025-34113 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-34113?
CVE-2025-34113 affects Tiki Software Community Association Wiki CMS Groupware.
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