WordPress plugin
Auto Thumbnails security & vulnerabilities
Unpatched vulnerability in the latest version
At least one vulnerability affects the latest version and no fix has been released. Deactivate the plugin or restrict access to the affected feature until the vendor ships a patch.
- Critical0
- High0
- Medium1
- Low0
All Auto Thumbnails vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes ≤1.0No patch available | CVE-2026-8899 |
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes
≤1.0No patch available
Auto Thumbnails: common questions
Does Auto Thumbnails have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Auto Thumbnails: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Auto Thumbnails 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 Auto Thumbnails vulnerability?
CVE-2026-8899, published May 26, 2026: Auto Thumbnails <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes. Severity: Medium (CVSS 6.4).
Is any Auto Thumbnails vulnerability listed in CISA KEV?
No. None of the known Auto Thumbnails vulnerabilities is currently listed in the CISA KEV catalog.