Arbitrary file upload in Trippo Responsivefilemanager

CVE-2026-18788

A security flaw has been discovered in Trippo ResponsiveFilemanager up to 9.14.0. The impacted element is an unknown function of the file filemanager/dialog.php. The manipulation results in unrestricted upload. The attack may be performed from remote. The exploit has been released to the public and may be used for attacks. The vendor was contacted early about this disclosure but did not respond in any way. This vulnerability only affects products that are no longer supported by the maintainer.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.

EPSS exploit prediction

EPSS: 0.005 (42.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 43rd percentile — 42.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-18788: held from 0.005 to 0.005.

EPSS over last 30 days · oldest: 0.005 · newest: 0.005 · change: 0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-18788?
CVE-2026-18788 is a high-severity vulnerability in Trippo Responsivefilemanager, classified under Improper Access Control. CVSS score: 7.3/10. Published 2026-08-04.
How severe is CVE-2026-18788?
High severity. CVSS v3 base score is 7.3 out of 10.