CVE-2026-82524
UnoPim File Upload RCE via TinyMCE Image Upload Endpoint
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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| unopim unopim unopim/unopim
github |
≥ 0; < 2.1.5 (affected, semver)
Other versions: affected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 4.0 / 8.6 high |
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N | CNA: VulnCheck |
| 3.1 / 7.2 high |
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H | CNA: VulnCheck |
Exploit evidence
References
- https://github.com/unopim/unopim/releases/tag/v2.1.5CNA: VulnCheck · release-notes
- https://github.com/unopim/unopim/commit/675dfb5155a87f94c5ac861545a31b8f6ea44f5bCNA: VulnCheck · patch
- https://ashutosh-jena.in/blog/remote-code-execution-rce-via-unrestricted-file-upload-in-unopim-v214CNA: VulnCheck · technical-description, exploit
- https://www.vulncheck.com/advisories/unopim-file-upload-rce-via-tinymce-image-upload-endpointCNA: VulnCheck · third-party-advisory
For agents and automation
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Endpoints and access details
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