Tiki Wiki <= 15.1 ELFinder Unauthenticated File Upload RCE
CVSS v3
9.8
CRITICAL
EPSS Score
73.7%
exploit probability
CISA KEV
No
known exploited
Exploitation
none
SSVC status
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/
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/
Active exploitation of CVE-2025-34111 has not been confirmed. The EPSS score is 73.7%, indicating the estimated probability of exploitation in the next 30 days.
CVE-2025-34111 has a CVSS v3 base score of 9.8 (CRITICAL severity), with vector string 3.1.
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Ranked by exploit probability (EPSS).