WordPress plugin
ZeM STL 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 ZeM STL vulnerabilities
Nothing in this view
No vulnerabilities match this filter. Show all.
ZeM STL: common questions
Does ZeM STL have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in ZeM STL: 1 medium. At least one is not fixed in the latest version.
How do I check which version of ZeM STL 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 ZeM STL vulnerability?
CVE-2026-4081, published Jun 1, 2026: ZeM STL <= 1.0 - Authenticated (Contributor+) Stored Cross-Site Scripting via Shortcode Attributes. Severity: Medium (CVSS 6.4).
Is any ZeM STL vulnerability listed in CISA KEV?
No. None of the known ZeM STL vulnerabilities is currently listed in the CISA KEV catalog.