PT-2025-29555 · Unknown · Tiki Wiki Cms

Dany Ouellet · Published 2025-07-15 · Updated 2025-07-15 · CVE-2025-34113

Positive Technologies (AI Summary)

CVSS v4.0

8.7

High

Base vector

AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Name of the Vulnerable Software and Affected Versions Tiki Wiki CMS versions 6.14 and earlier Tiki Wiki CMS versions 9.10 LTS and earlier Tiki Wiki CMS versions 12.4 LTS and earlier Tiki Wiki CMS versions 14.1 and earlier

Description An authenticated command injection vulnerability exists in Tiki Wiki CMS. When the calendar module is enabled and an authenticated user has permission to access it, an attacker can inject and execute arbitrary PHP code via the viewmode GET parameter in tiki-calendar.php. Successful exploitation leads to remote code execution in the context of the web server user.

Recommendations Update Tiki Wiki CMS to a version later than 6.14. Update Tiki Wiki CMS to a version later than 9.10 LTS. Update Tiki Wiki CMS to a version later than 12.4 LTS. Update Tiki Wiki CMS to a version later than 14.1.

Exploit

Fix

RCE

Missing Authentication

OS Command Injection

Weakness Enumeration

CWE-306

CWE-78

CWE-20

Related Identifiers

CVE-2025-34113

Affected Products

Tiki Wiki Cms

References · 9

• 🔥 https://exploit-db.com/exploits/39965 · Exploit
• 🔥 https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/linux/http/tiki_calendar_exec.rb · Exploit
• https://nvd.nist.gov/vuln/detail/CVE-2025-34113 · Security Note
• https://acunetix.com/vulnerabilities/web/tiki-wiki-cms-remote-code-execution-via-calendar-module · Note
• https://t.me/cvetracker/27852 · Telegram Post
• https://vulncheck/advisories/tiki-wiki-cms-authenticated-command-injection-in-calendar-module · Note
• https://twitter.com/CVEnew/status/1945118953304740103 · Twitter Post
• https://vulncheck.com/advisories/tiki-wiki-cms-authenticated-command-injection-in-calendar-module · Note
• https://tiki.org/article414-Important-Security-Fix-for-all-versions-of-Tiki · Patch, Vendor Advisory