WordPress plugin
WP Post Signature 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 Post Signature vulnerabilities
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WP Post Signature: common questions
Does WP Post Signature have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in WP Post Signature: 1 medium. At least one is not fixed in the latest version.
How do I check which version of WP Post Signature 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 Post Signature vulnerability?
CVE-2025-62124, published Dec 31, 2025: Post Signature <= 0.4.1 - Authenticated (Author+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any WP Post Signature vulnerability listed in CISA KEV?
No. None of the known WP Post Signature vulnerabilities is currently listed in the CISA KEV catalog.