WordPress plugin
Autoptimize security & vulnerabilities
No known unpatched vulnerabilities in the latest version
All 15 known vulnerabilities are fixed in the latest release. If you run an older version, update to null or newer.
- Critical2
- High4
- Medium9
- Low0
All Autoptimize vulnerabilities
- Medium5.4Unauthenticated Stored Cross-Site Scripting via Comment Author Name
≤3.1.15.1Update to 3.1.16
- High7.2Unauthenticated Stored Cross-Site Scripting via REQUEST_URI Path
≤3.1.15.1Update to 3.1.16
- High7.2Unauthenticated Stored Cross-Site Scripting
<2.4.2Update to 2.4.2
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via 'ao_post_preload' Meta Value
≤3.1.14Update to 3.1.15
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Lazy-loaded Image Attributes
≤3.1.14Update to 3.1.15
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting
≤3.1.13Update to 3.1.14
- Medium4.4Authenticated (Admin+) Stored Cross-Site Scripting via Critical CSS Rules
≤3.1.6Update to 3.1.7
- Medium5.3Sensitive Information Disclosure
≤3.0.4Update to 3.1.0
- Medium5.5Authenticated (Admin+) Stored Cross-Site Scripting via Critical CSS Settings
≤3.1.0Update to 3.1.1
- Medium5.5Stored Cross-Site Scripting
<2.8.4Update to 2.8.4
- Medium4.8Unsafe File Upload to Cross-Site Scripting
<2.7.8Update to 2.7.8
- Critical9.8Arbitrary File Upload (and Remote Code Execution) via Import Settings
<2.7.8Update to 2.7.8
- High8.1Race Condition leading to Remote Code Execution
<2.7.8Update to 2.7.8
- High7.2Authenticated Arbitrary File Upload
≤2.7.6Update to 2.7.7
- Critical9.8Unauthenticated Local File Inclusion
≤2.1.0Update to 2.1.1
Autoptimize: common questions
Does Autoptimize have known vulnerabilities?
Yes. VulnCrest Radar lists 15 known vulnerabilities in Autoptimize: 2 critical, 4 high, 9 medium. None are known to affect version null.
How do I check which version of Autoptimize 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 Autoptimize vulnerability?
CVE-2026-78471, published Oct 1, 2026: Autoptimize <= 3.1.15.1 - Unauthenticated Stored Cross-Site Scripting via Comment Author Name. Severity: Medium (CVSS 5.4).
Is any Autoptimize vulnerability listed in CISA KEV?
No. None of the known Autoptimize vulnerabilities is currently listed in the CISA KEV catalog.