WordPress plugin
EWWW Image Optimizer security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 14 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical1
- High2
- Medium11
- Low0
All EWWW Image Optimizer vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | 8.7.7 - Authenticated (Author+) PHP Object Injection 8.6.0 – 8.7.7Update to 8.8.0 | CVE-2026-91051 | |
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤8.7.6Update to 8.7.7 | CVE-2026-84773 | |
| Critical9.6 | Remote Code Execution ≤2.8.4Update to 2.8.5 | CVE-2016-20010 |
- High7.58.7.7 - Authenticated (Author+) PHP Object Injection
8.6.0 – 8.7.7Update to 8.8.0
- High7.2Unauthenticated Stored Cross-Site Scripting
≤8.7.6Update to 8.7.7
- Critical9.6Remote Code Execution
≤2.8.4Update to 2.8.5
EWWW Image Optimizer: common questions
Does EWWW Image Optimizer have known vulnerabilities?
Yes. VulnCrest Radar lists 14 known vulnerabilities in EWWW Image Optimizer: 1 critical, 2 high, 11 medium. None are known to affect version null.
How do I check which version of EWWW Image Optimizer I run?
In wp-admin open Plugins → Installed Plugins; the version is shown under the name. Without admin access, our passive Check my site tool can often read it from public files.
What is the most recent EWWW Image Optimizer vulnerability?
CVE-2026-91049, published Nov 2, 2026: EWWW Image Optimizer 8.7.4 - 8.9.0 - Authenticated (Author+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any EWWW Image Optimizer vulnerability listed in CISA KEV?
No. None of the known EWWW Image Optimizer vulnerabilities is currently listed in the CISA KEV catalog.