CVE-2025-34111

Public Exploit
Tiki Wiki <= 15.1 ELFinder Unauthenticated File Upload RCE

Description

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/.

Category

9.3
CVSS
Severity: Critical
CVSS 4.0 •
EPSS 0.25%
Vendor Advisory tiki.org
Affected: Tiki Software Community Association Wiki CMS Groupware
Published at:
Updated at:

References

Link Tags
https://tiki.org/article434-Security-update-Tiki-15-2-Tiki-14-4-and-Tiki-12-9-released vendor advisory patch
https://www.exploit-db.com/exploits/40091 exploit
https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/tikiwiki_upload_exec.rb exploit
https://www.vulncheck.com/advisories/tiki-wiki-el-finder-unauthenticated-file-upload-rce third party advisory

Frequently Asked Questions

What is the severity of CVE-2025-34111?
CVE-2025-34111 has been scored as a critical severity vulnerability.
How to fix CVE-2025-34111?
To fix CVE-2025-34111, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2025-34111 being actively exploited in the wild?
It is possible that CVE-2025-34111 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2025-34111?
CVE-2025-34111 affects Tiki Software Community Association Wiki CMS Groupware.
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