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Mallory
Critical

Arbitrary file upload in File Uploader for WooCommerce (WordPress) via add-image-data REST endpoint

IdentifiersCVE-2025-13329CWE-434· Unrestricted Upload of File with…

CVE-2025-13329 is an arbitrary file upload vulnerability in the File Uploader for WooCommerce WordPress plugin affecting all versions up to and including 1.0.3. The plugin’s callback for the 'add-image-data' REST API endpoint lacks file type validation, allowing unauthenticated attackers to upload arbitrary files to the Uploadcare service and then have those files subsequently downloaded onto the affected site’s server. This can enable remote code execution depending on how/where the downloaded file is written and whether it can be executed by the server.

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ANALYST BRIEF

Impact, mitigation & remediation

What it means. What to do now. Patch path, mitigations, and the assume-compromise checklist.

Impact

What an attacker gets, and what they’ve been doing with it.

Unauthenticated remote attackers can upload attacker-controlled content and cause it to be retrieved onto the victim server, potentially resulting in remote code execution. The issue is described as critical (CVSS v3.1 9.8) with potential high impact to confidentiality, integrity, and availability (C:H/I:H/A:H).

Mitigation

If you can’t patch tonight, do this now.

If immediate updating is not possible, reduce exposure of the vulnerable REST endpoint (e.g., restrict access at the web server/WAF layer), and ensure server-side controls prevent execution of uploaded/downloaded files (e.g., disallow PHP execution in upload/write directories).

Remediation

Patch, then assume compromise.

Update the File Uploader for WooCommerce plugin to a fixed/latest version that implements proper server-side file type validation for the 'add-image-data' REST API endpoint and prevents dangerous file types from being uploaded and/or written to executable locations.
PUBLIC EXPLOITS

Exploits

No public exploits tracked yet. Mallory keeps watching.

VALID 0 / 0 TOTALView more in app

No public exploit code observed for this vulnerability.

What this page doesn’t show

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Exposure mapping

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Threat actor evidence

Every observed campaign linking this CVE to a named adversary.

Associated malware

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Detection signatures

YARA, Sigma, Snort, and vendor rules, auto-deployed to your SIEM.

Vendor-by-vendor mapping

Cross-references every affected SKU, including bundled OEM variants.

Social activity8

Community discussion across Reddit, Mastodon, and other social sources.