PatchTheCVECVE-2025-3951: The WP-Optimize WordPress plugin before 4.2.0 does not properly escape user input when checking image compres
CVE-2025-3951 is a medium-severity flaw (CVSS 4.1) affecting wp-optimize. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
The WP-Optimize WordPress plugin before 4.2.0 does not properly escape user input when checking image compression statuses, which could allow users with the administrator role to conduct SQL Injection attacks in the context of Multi-Site WordPress configurations.
Why this priority
- Public exploit reference
A fixed release or distro patch exists.
Risk facts
| CVSS score | 4.1 (Medium) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | High |
| User interaction | None |
| EPSS exploit chance | 0.3% (top 76%) |
| CISA exploited list | No |
| Weakness | CWE-89 |
| Published | 2025-06-02 |
| Last modified | 2026-06-17 |
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Updated Record last modified
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-3951?
wp-optimize: upgrade to 4.2.0. Exact commands for each OS are on this page.
Is CVE-2025-3951 being exploited?
CVE-2025-3951 is not on the CISA Known Exploited Vulnerabilities list at the time of the last update. Check again, as this can change.
What does CVE-2025-3951 affect?
CVE-2025-3951 affects wp-optimize. Severity is medium (CVSS 4.1). The WP-Optimize WordPress plugin before 4.2.0 does not properly escape user input when checking image compression statuses, which could allow users with the administrator role to conduct SQL Injection attacks in the context of Multi-Site W
How urgent is CVE-2025-3951?
Priority 25/100. Public exploit reference