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CVE-2025-34111

9.8
CRITICALCVSS v3.1 Base Score
83.87%
HIGH RiskEPSS (99th percentile)

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/.

Published: 7/15/2025
Modified: 10/3/2025
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Vulnerability Summary

CVSS v3 Score

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS Score (Exploitation Probability)

83.87%HIGH Exploitation Risk
99th percentile

This vulnerability has a 83.87% probability of being exploited in the next 30 days, ranking higher than 99% of all scored CVEs.

CWE Classification

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