WordPress plugin
FastSpring 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 FastSpring vulnerabilities
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FastSpring: common questions
Does FastSpring have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in FastSpring: 1 medium. At least one is not fixed in the latest version.
How do I check which version of FastSpring 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 FastSpring vulnerability?
CVE-2025-4595, published May 30, 2025: FastSpring <= 3.0.1 - Authenticated (Contributor+) Stored Cross-Site Scripting. Severity: Medium (CVSS 6.4).
Is any FastSpring vulnerability listed in CISA KEV?
No. None of the known FastSpring vulnerabilities is currently listed in the CISA KEV catalog.