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Threat Database
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Threat Entry
Updated 2026-07-02
CVE-2026-5821 - Image Optimization Plugin
The Image Optimizer plugin for WordPress is vulnerable to arbitrary file deletion in versions up to and including 1.7.4. This is due to insufficient path validation in the Image_Backup::remove() function where backup file paths stored in post meta are used directly in file deletion operations without verifying they are within the uploads directory. The plugin stores backup file paths in the image_optimizer_metadata post meta field and trusts these paths completely when deleting backups on the delete_attachment hook. An authenticated attacker with Author-level access can edit the image_optimizer_metadata post meta on…
PLUGIN
Image Optimization
CVE-2026-5821
Risk Score
Threat Entry
Updated 2026-06-18
CVE-2026-11784 - Image Optimization Plugin
The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 4.2.6. This is due to missing or incorrect nonce validation on the replace_file function. This makes it possible for unauthenticated attackers to overwrite existing media attachments with attacker-supplied file content by supplying a forged multipart POST request targeting any attachment the victim has edit_post capability over via a forged request granted they can trick a site…
PLUGIN
Image Optimization
CVE-2026-11784
Risk Score
Threat Entry
Updated 2026-06-17
CVE-2026-5217 - Image Optimization Plugin
The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 4.2.2. This is due to insufficient input sanitization and output escaping on the user-supplied 's' parameter (srcset descriptor) in the unauthenticated /wp-json/optimole/v1/optimizations REST endpoint. The endpoint validates requests using an HMAC signature and timestamp, but these values are exposed directly in the frontend HTML making them accessible to any visitor. The plugin uses sanitize_text_field() on the…
PLUGIN
Image Optimization
CVE-2026-5217
Risk Score
Threat Entry
Updated 2025-10-21
CVE-2025-11519 - Image Optimization Plugin
The Optimole – Optimize Images | Convert WebP & AVIF | CDN & Lazy Load | Image Optimization plugin for WordPress is vulnerable to Insecure Direct Object Reference in all versions up to, and including, 4.1.0 via the /wp-json/optml/v1/move_image REST API endpoint due to missing validation on a user controlled key. This makes it possible for authenticated attackers, with Author-level access and above, to offload media that doesn't belong to them.
PLUGIN
Image Optimization
CVE-2025-11519
Risk Score
Threat Entry
Updated 2025-08-04
CVE-2025-6626 - Image Optimization Plugin
The ShortPixel Adaptive Images – WebP, AVIF, CDN, Image Optimization plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the API URL Setting in all versions up to, and including, 3.10.3 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level access, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled.
PLUGIN
Image Optimization
CVE-2025-6626
Risk Score