The WP Compress – Instant Performance & Speed Optimization plugin for WordPress is vulnerable to unauthorized access, modification, and loss of data due to missing capability checks on its on its AJAX functions in all versions up to, and including, 6.30.15. This makes it possible for authenticated attackers, with Subscriber-level access and above, to compromise the site in various ways depending on the specific function exploited - for example, by retrieving sensitive settings and configuration details, or by altering and deleting them, thereby disclosing sensitive information, disrupting the plugin’s functionality, and potentially impacting overall site performance.
CVE-2025-2110 is a high severity with CVSS 8.8 Vulnerability issue affecting the Plugin WP Compress – Instant Performance & Speed Optimization. It affects Versions up to 6.30.15 and is fixed in 6.30.16.
CVE-2025-2110 is tracked for the Plugin WP Compress – Instant Performance & Speed Optimization as high severity with CVSS 8.8. The affected range is Versions up to 6.30.15. Update WP Compress – Instant Performance & Speed Optimization to 6.30.16 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
wp-compress-image-optimizer
View on wordpress.org
|
| CVE | CVE-2025-2110 |
| Patched Versions |
6.30.16
|
| Affected Versions |
Versions up to 6.30.15
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
WP Compress – Image Optimizer [All-In-One] <= 6.10.33 - Unauthenticated Directory Traversal via css
WP Compress – Image Optimizer <= 6.11.08 - Missing Authorization to Unauthenticated CDN Modification
WP Compress <= 6.30.30 - Unauthenticated Broken Authentication
WP Compress – Image Optimizer [All-In-One] <= 6.20.01 - Missing Authorization
WP Compress – Instant Performance & Speed Optimization <= 6.30.03 - Reflected Cross-Site Scripting via custom_server Parameter
WP Compress – Image Optimizer [All-In-One] <= 6.20.13 - Reflected Cross-Site Scripting
WP Compress <= 6.30.15 - Unauthenticated Server-Side Request Forgery via init Function
Compress <= 6.60.28 - Missing Authorization
This record contains material that is subject to copyright
License: Defiant hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute this software vulnerability information. Any copy of the software vulnerability information you make for such purposes is authorized provided that you include a hyperlink to this vulnerability record and reproduce Defiant's copyright designation and this license in any such copy. Read more
License: CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE®). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy. Read more
