What is CVE-2025-55743?

CVE-2025-55743 is a high-severity vulnerability in Unopim, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-08-21.

How severe is CVE-2025-55743?

High severity. CVSS v3 base score is 8.8 out of 10.

Arbitrary file upload in Unopim

CVE-2025-55743

UnoPim is an open-source Product Information Management (PIM) system built on the Laravel framework. Before 0.2.1, the image upload at the user creation feature performs only client side file type validation. A user can capture the request by uploading an image, capture the request through a Proxy like Burp suite. Make changes to the file extension and content. The vulnerability is fixed in 0.2.1.

Vulnerability class: Unrestricted File Upload

Published 2025-08-21 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.005 (38.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 39th percentile — 38.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

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

Affected products

Unopim — versions < 0.2.1
Webkul Unopim

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

github.com/unopim/unopim/security/advisories/GHSA-v22v-xwh7-2vrm (Exploit, Vendor Advisory)
drive.proton.me/urls/PH1ESMKHMW (Exploit)

Frequently asked questions

What is CVE-2025-55743?: CVE-2025-55743 is a high-severity vulnerability in Unopim, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-08-21.
How severe is CVE-2025-55743?: High severity. CVSS v3 base score is 8.8 out of 10.