CVE-2025-34113
HIGH EPSS 79.4%
Published Jul 15, 202511mo ago · Modified Jun 17, 20261w ago
8.7 CVSS 4.0
Published Jul 15, 2025 11mo ago
Last Modified Jun 17, 2026 1w ago
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.
CVSS Details
Base Score
Exploitability
Impact
Vector string
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope X
Threat Intelligence
EPSS Exploit Probability
79.4% percentile
Exploit & Patch Status
No Known Exploit
No Patch Available
Weaknesses 3
CWE-20 Improper Input Validation Validation
CWE-306 Missing Authentication for Critical Function Authentication
CWE-78 OS Command Injection Injection
References 5
- raw.githubusercontent.com https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/tiki_calendar_exec.rb
- tiki.org https://tiki.org/article414-Important-Security-Fix-for-all-versions-of-Tiki
- acunetix.com https://www.acunetix.com/vulnerabilities/web/tiki-wiki-cms-remote-code-execution-via-calendar-module/
- exploit-db.com https://www.exploit-db.com/exploits/39965
- vulncheck.com https://www.vulncheck.com/advisories/tiki-wiki-cms-authenticated-command-injection-in-calendar-module
Remediation
No remediation data recorded yet
Check vendor advisories and the NVD entry for patch availability.