WordPress plugin
Passster – Password Protect Pages and Content 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
- Medium24
- Low0
All Passster – Password Protect Pages and Content vulnerabilities
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Passster – Password Protect Pages and Content: common questions
Does Passster – Password Protect Pages and Content have known vulnerabilities?
Yes. VulnCrest Radar lists 24 known vulnerabilities in Passster – Password Protect Pages and Content: 24 medium. At least one is not fixed in the latest version.
How do I check which version of Passster – Password Protect Pages and Content 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 Passster – Password Protect Pages and Content vulnerability?
CVE-2026-125409, published Nov 12, 2026: Passster <= 4.3.21 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'metavalue' Parameter. Severity: Medium (CVSS 6.4).
Is any Passster – Password Protect Pages and Content vulnerability listed in CISA KEV?
No. None of the known Passster – Password Protect Pages and Content vulnerabilities is currently listed in the CISA KEV catalog.