Authenticated Command Injection Vulnerability in Tiki Wiki CMS by Tiki Wiki
CVE-2025-34113

8.7HIGH

Key Information:

Vendor
CVE Published:
15 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-34113?

An authenticated command injection vulnerability exists in Tiki Wiki CMS that allows attackers to execute arbitrary PHP code via the viewmode GET parameter in tiki-calendar.php when the calendar module is active. This issue arises when an authenticated user with appropriate permissions accesses the compromised module, potentially leading to remote code execution under the web server's user context. The affected versions include Tiki Wiki CMS versions 14.1, 12.4 LTS, 9.10 LTS, and 6.14. Users are advised to update their installations to prevent exploitation.

Affected Version(s)

Wiki CMS Groupware * <= 14.1

Wiki CMS Groupware * <= 12.4 LTS

Wiki CMS Groupware * <= 9.10 LTS

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

References

CVSS V4

Score:
8.7
Severity:
HIGH
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Dany Ouellet
.
CVE-2025-34113 : Authenticated Command Injection Vulnerability in Tiki Wiki CMS by Tiki Wiki