CVE-2026-82524
UnoPim File Upload RCE via TinyMCE Image Upload Endpoint
CVSS Score
7.2
EPSS Score
0.0%
EPSS Percentile
0th
UnoPim before 2.1.5 contains an authenticated file upload vulnerability that allows authenticated administrators to upload arbitrary PHP files through the TinyMCE image upload endpoint due to missing file extension and MIME type validation. Attackers can upload a PHP web shell to the public storage disk and execute arbitrary operating system commands on the server by accessing the uploaded file at the URL returned in the server response.
| CWE | CWE-434 |
| Vendor | unopim |
| Product | unopim |
| Published | Sep 2, 2026 |
| Last Updated | Oct 1, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H Attack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
unopim / unopim
0 < 2.1.5
References
github.com: https://github.com/unopim/unopim/releases/tag/v2.1.5 github.com: https://github.com/unopim/unopim/commit/675dfb5155a87f94c5ac861545a31b8f6ea44f5b ashutosh-jena.in: https://ashutosh-jena.in/blog/remote-code-execution-rce-via-unrestricted-file-upload-in-unopim-v214 vulncheck.com: https://www.vulncheck.com/advisories/unopim-file-upload-rce-via-tinymce-image-upload-endpoint
Credits
Ashutosh Jena (MAVERICK-VF142)