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Vulnerabilities

Vulnerability · 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.

Published Jul 15, 2025 · catalog updated May 15, 2026 · Tiki Software Community Association Wiki CMS Groupware

Check if you run it

No confirmed exploitation is on record for CVE-2025-34111. EPSS is 2.57%. Act only if a listed version of Tiki Software Community Association Wiki CMS Groupware is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
Critical9.3
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
2.57%
Remediation
Advisory link
Affected products
vendor Tiki Software Community Association Wiki CMS Groupware 0 ≤15.1

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/.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Tiki Software Community Association Wiki CMS Groupware 0 ≤15.10 ≤15.1

How to fix CVE-2025-34111

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-34111. EPSS is 2.57%. Act only if a listed version of Tiki Software Community Association Wiki CMS Groupware is installed.

Which versions are affected?

Compare what you have installed with Tiki Software Community Association Wiki CMS Groupware 0 ≤15.1 0 ≤15.1. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 2.57%. There is no CISA KEV listing. A public exploit reference is linked in Sources. That is not the same as confirmed exploitation. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Jul 15, 2025 · EUVD

    Detected

    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

  2. May 15, 2026 · EUVD

    Updated

    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

Sources

  • CVE.orgVulnerability recordCVE-2025-34111

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-34111

    30-day exploitation probability 2.57%

    first.org
  • EUVDVulnerability recordEUVD-2025-21425

    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 th

    euvd.enisa.europa.eu
  • Metasploit ModulesPublic exploit moduleexploit_unix/webapp/tikiwiki_upload_exec

    Public module reference (excellent). Module source is not copied into this catalog.

    rapid7.com

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.