WordPress plugin
WP-Thumbnail 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 WP-Thumbnail vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| Medium6.4 | Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode ≤1.1No patch available | CVE-2025-11819 |
- Medium6.4Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode
≤1.1No patch available
WP-Thumbnail: common questions
Does WP-Thumbnail have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in WP-Thumbnail: 1 medium. At least one is not fixed in the latest version.
How do I check which version of WP-Thumbnail 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 WP-Thumbnail vulnerability?
CVE-2025-11819, published Oct 21, 2025: WP-Thumbnail <= 1.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode. Severity: Medium (CVSS 6.4).
Is any WP-Thumbnail vulnerability listed in CISA KEV?
No. None of the known WP-Thumbnail vulnerabilities is currently listed in the CISA KEV catalog.