WordPress plugin
Ultimate Subscribe 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 Ultimate Subscribe vulnerabilities
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Ultimate Subscribe: common questions
Does Ultimate Subscribe have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Ultimate Subscribe: 1 medium. At least one is not fixed in the latest version.
How do I check which version of Ultimate Subscribe 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 Ultimate Subscribe vulnerability?
CVE-2025-23806, published Jan 16, 2025: Ultimate Subscribe <= 1.3 - Reflected Cross-Site Scripting. Severity: Medium (CVSS 6.1).
Is any Ultimate Subscribe vulnerability listed in CISA KEV?
No. None of the known Ultimate Subscribe vulnerabilities is currently listed in the CISA KEV catalog.