CVE-2025-34111

Tiki Tikiwiki Cms/groupware unrestricted file upload

9.8 CRITICALPublic exploitEPSS 2.40%

Published15 Jul 2025

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/.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

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

Affected products

Tiki Tikiwiki Cms/groupware≤ 15.1

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

References

https://raw.githubusercontent.com/rapid7/metasploit-framework/master/modules/exploits/unix/webapp/tikiwiki_upload_exec.rbExploitThird Party Advisory
https://tiki.org/article434-Security-update-Tiki-15-2-Tiki-14-4-and-Tiki-12-9-releasedRelease Notes
https://www.exploit-db.com/exploits/40091ExploitThird Party AdvisoryVDB Entry
https://www.vulncheck.com/advisories/tiki-wiki-el-finder-unauthenticated-file-upload-rceThird Party Advisory

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2025-34111 being actively exploited?

CVE-2025-34111 is not in the CISA KEV catalog. A public exploit reference exists, so treat it as exploitable. Its EPSS exploit probability is 2.40%.

How severe is CVE-2025-34111?

CVE-2025-34111 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 2.40% probability of exploitation.

Which products are affected by CVE-2025-34111?

Affected products include Tiki Tikiwiki Cms/groupware.

How do I fix CVE-2025-34111?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-34111 against the real software inventory on every managed device, every day. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.