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CVE-2026-111255

7.5 high SSVC exploitation: none Deferred
NVD · CVE.org

The affiliate-toolkit – Multi-Network Affiliate & Amazon Product Display plugin for WordPress is vulnerable to Arbitrary File Upload in all versions up to, and including, 3.9.2 via the upload_image function. This is due to insufficient file type validation in upload_image due to a weak Content-Type prefix check and extension derivation from the attacker-controlled URL path, with no dangerous-extension stripping. This makes it possible for authenticated attackers, with contributor-level access and above, to upload files that may be executable, which makes remote code execution possible. Exploitation requires the "import product image" option to be enabled in the plugin settings, as this activates the image download pipeline triggered on product post save.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 4

  1. StatusPublished → DeferredNVD modified 2026-10-28 13:46
  2. StatusReceived → PublishedNVD modified 2026-10-28 03:42
  3. StatusPublished → ReceivedNVD modified 2026-10-28 04:17
  4. First seenCVSS 7.5 · cservitNVD modified 2026-10-28 03:42

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 7