What’s Vulnerable › Vulnerabilities

CVE-2026-82524: UnoPim File Upload RCE via TinyMCE Image Upload Endpoint

• Severity: high (CVSS 7.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-02 · updated 2026-10-06
• Weakness: CWE-434

Description

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.

Affected products

• unopim: before 2.1.5 — fixed in 2.1.5

How to fix

Upgrade to a fixed version: unopim 2.1.5. Check the vendor advisory for mitigations.

References

• https://ashutosh-jena.in/blog/remote-code-execution-rce-via-unrestricted-file-upload-in-unopim-v214
• https://github.com/unopim/unopim/commit/675dfb5155a87f94c5ac861545a31b8f6ea44f5b
• https://github.com/unopim/unopim/releases/tag/v2.1.5
• https://www.vulncheck.com/advisories/unopim-file-upload-rce-via-tinymce-image-upload-endpoint

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