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
- Medium6.48.9.0 - Authenticated (Author+) Stored Cross-Site Scripting
8.7.4 – 8.9.0Update to 8.9.1
- Medium6.1Reflected Cross-Site Scripting via REQUEST_URI Parameter Key
≤8.7.7Update to 8.8.0
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤8.7.7Update to 8.8.0
- High7.58.7.7 - Authenticated (Author+) PHP Object Injection
8.6.0 – 8.7.7Update to 8.8.0
- Medium4.7Authenticated (Administrator+) Cross-Site WebP File Deletion or Rename
≤8.7.0Update to 8.8.0
- Medium6.4Authenticated (Author+) Stored Cross-Site Scripting
≤8.7.6Update to 8.7.7
- High7.2Unauthenticated Stored Cross-Site Scripting
≤8.7.6Update to 8.7.7
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'data-script' Lazy Load Attribute in Post Content
≤8.7.3Update to 8.7.4
- Medium4.3Cross-Site Request Forgery
≤7.2.3Update to 7.3.0
- Medium5.3Unauthenticated Sensitive Information Exposure via Debug Log
≤7.2.0Update to 7.2.1
- Medium5.3Sensitive Information Exposure
<7.2.1Update to 7.2.1
- Medium4.3Cross-Site Request Forgery Bypass
≤5.8.1Update to 5.9
- Critical9.6Remote Code Execution
≤2.8.4Update to 2.8.5
- Medium6.1Reflected Cross-Site Scripting
≤2.0.1Update to 2.0.2
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.