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TI-2026-56886 Aliases CVE-2026-82524GHSA-q5p4-3w6j-xg73

UnoPim File Upload RCE via TinyMCE Image Upload Endpoint

Priority HIGH 72CWE-434Published · Updated

Key facts

Attack vector
Network
Privileges required
High
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-434.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00626 50th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix Fixed unopim (unopim): 2.1.5

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Webkulunopimbefore 2.1.52.1.5Patch availableCNA
  • unopim VendorWebkul Affected before 2.1.5 Fixed in 2.1.5 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:webkul:unopim:*:*:*:*:*:*:*:*——Webkul
  • cpe:2.3:a:webkul:unopim:*:*:*:*:*:*:*:* Versions — — ·Webkul

Remediation

  • Fix · CNA unopim (unopim) Fixed in 2.1.5

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-82524
  2. 2026-10-03 Alias added: GHSA-q5p4-3w6j-xg73
  3. 2026-10-31 EPSS moved to the 50th–90th percentile

References

Exploit 1

Patch 1

Other 1

  • TI-2025-41192 Unrestricted file upload in the hotel review feature in QloApps versions 1.7.0 and… CVSS 3.1CRITICAL 9.8
  • TI-2017-14326 Joomla! Component Ajax Quiz 1.8 SQL Injection CVSS 4.0HIGH 8.8
  • TI-2026-17332 Bagisto has Normal & Blind SSTI from low-privilege user when ordering product CVSS 4.0HIGH 8.9
  • TI-2023-16589 Bagisto v1.5.1 is vulnerable to Server-Side Template Injection (SSTI). CVSS 3.1HIGH 8.8
  • TI-2026-52873 Webkul QloApps SQL injection CVSS 4.0HIGH 8.6
  • TI-2026-52872 Webkul QloApps SQL injection CVSS 4.0HIGH 8.6
See all 104 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences