CVE-2026-12106
The Auto Upload Images plugin for WordPress is vulnerable to Limited Server-Side Request Forgery in all versions up to, and including, 3.3.2 via the downloadImage function. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application. The plugin uses wp_remote_get() rather than wp_safe_remote_get(), and the validate() method only rejects URLs whose host matches the site's own hostname, failing to block requests to private, loopback, or link-local addresses (e.g., 127.0.0.1, 10.0.0.0/8, 169.254.169.254). Attackers can trigger this by embedding a crafted <img> tag with a src attribute pointing to internal network hosts in post content and submitting it for processing.
Kelemahan
The Auto Upload Images plugin for WordPress is vulnerable to Limited Server-Side Request Forgery in all versions up to, and including, 3.3.2 via the downloadImage function. This makes it possible for authenticated attackers, with contributor-level access and above, to make web requests to arbitrary locations originating from the web application. The plugin uses wp_remote_get() rather than wp_safe_remote_get(), and the validate() method only rejects URLs whose host matches the site's own hostname, failing to block requests to private, loopback, or link-local addresses (e.g., 127.0.0.1, 10.0.0.0/8, 169.254.169.254). Attackers can trigger this by embedding a crafted <img> tag with a src attribute pointing to internal network hosts in post content and submitting it for processing.
Referensi
- https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/ImageUploader.php#L192
- https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/ImageUploader.php#L48
- https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/WpAutoUpload.php#L45
- https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/WpAutoUpload.php#L64
- https://plugins.trac.wordpress.org/browser/auto-upload-images/tags/3.3.2/src/WpAutoUpload.php#L96
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3693206%40auto-upload-images&new=3693206%40auto-upload-images
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