CVE-2026-111255 Affiliate-Toolkit Multi-Network Affiliate & Amazon Product Display - Arbitrary File Upload

Affiliate-Toolkit Multi-Network Affiliate & Amazon Product Display plugin for WordPress <= 3.9.2 contains an arbitrary file upload vulnerability caused by insufficient file type validation in upload_image function, letting authenticated contributors upload executable files, exploit requires import product image option enabled.

CVSS base score 7.5 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Required
EPSS
0.52% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Arbitrary File Upload
Impact
Remote Code Execution, File System Write
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Published
28 October 2026
Updated
29 October 2026
Weakness
CWE-434

Vendor fix

Update to a version later than 3.9.2 or the latest available version.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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