WordPress Core <= 7.0.3 - Authenticated (Author+) Remote Code Execution via Malicious File Upload
| CVE | CVE-2026-65640 |
|---|---|
| CVSS | 8.8 (High) |
| Publicly Published | August 12, 2026 |
| Last Updated | August 12, 2026 |
| Researcher |
pwn.ai Team
|
Description
WordPress Core is vulnerable to Remote Code Execution in multiple release branches, including versions 4.7.0 through 7.0.3. This is due to insufficient validation in the `WP_Image_Editor_Imagick::load()` image-processing path before passing uploaded files or streams to Imagick, which can interpret attacker-supplied image-like files as PostScript-family or compressed delegate formats based on magic bytes, format specifiers, or decompressed content rather than the WordPress-accepted extension. This makes it possible for authenticated attackers, with Author-level access and above, to upload a crafted file that is processed during attachment metadata generation and may trigger unsafe ImageMagick/Ghostscript behavior, resulting in remote code execution on sites using Imagick and Ghostscript. Unauthenticated exploitation is deployment-dependent and requires an additional public-upload plugin or theme path that sends attacker-supplied files through WordPress image metadata generation.
Learn more about Arbitrary File Upload vulnerabilities and how to prevent them.
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Vulnerability Details for WordPress
| Software Type | Core |
|---|---|
| Patched? | Yes |
| Remediation | Update to one of the following versions, or a newer patched version: 4.7.35, 4.8.30, 4.9.31, 5.0.27, 5.1.24, 5.2.26, 5.3.23, 5.4.21, 5.5.20, 5.6.19, 5.7.17, 5.8.15, 5.9.16, 6.0.14, 6.1.12, 6.2.11, 6.3.10, 6.4.10, 6.5.10, 6.6.7, 6.7.7, 6.8.8, 6.9.7, 7.0.4 |
| Affected Versions |
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| Patched Versions |
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