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9.8
CVE-2026-104028: Anton Extensions plugin lets anyone upload files and run code
CVE-2026-104028 · published 5 days ago
Summary
The Anton Extensions WordPress plugin up to version 1.2.2 does not check who is uploading files or what type of files are being added. This lets a stranger place a malicious script on your site and take control of it. Update the plugin to a patched version or remove it and ensure file‑upload rules are properly enforced.
What to do
The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| unknown | anton extensions | <= 1.2.2 |
Original advisory text
Anton Extensions <= 1.2.2 - Unauthenticated Arbitrary File Upload to RCE
The Anton Extensions WordPress plugin through 1.2.2 does not perform any capability check, nonce verification, or file-type validation before writing attacker-supplied content to an attacker-chosen path, allowing unauthenticated attackers to upload arbitrary PHP files and achieve remote code execution.
Internet-facing
3 days
Internal
60 days
- Not known to be exploited
- Can be exploited automatically
- Gives an attacker full control
Severity
9.8
Critical
Type
CWE-434Unrestricted File Upload
Timeline
Published11 Oct 2026
Updated15 Oct 2026
First seen11 Oct 2026
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