Auth bypass in Tiki Tikiwiki Cms\/groupware
CVE-2025-34111
An unauthenticated arbitrary file upload vulnerability exists in Tiki Wiki CMS Groupware version 15.1 and earlier via the ELFinder component's default connector (connector.minimal.php), which allows remote attackers to upload and execute malicious PHP scripts in the context of the web server. The vulnerable component does not enforce file type validation, allowing attackers to craft a POST request to upload executable PHP payloads through the ELFinder interface exposed at /vendor_extra/elfinder/.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.015 (72.0th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
References
- disclosure@vulncheck.com (vendor-advisory, Release Notes, patch)
- disclosure@vulncheck.com (Exploit, VDB Entry, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
- disclosure@vulncheck.com (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2025-34111?
- CVE-2025-34111 is a critical-severity vulnerability in Tiki Tikiwiki Cms\/groupware, classified under Improper Input Validation. CVSS score: 9.8/10. Published 2025-07-15.
- How severe is CVE-2025-34111?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-34111 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.