WordPress plugin
Email Header Footer 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
- Medium2
- Low0
All Email Header Footer vulnerabilities
Nothing in this view
No vulnerabilities match this filter. Show all.
Email Header Footer: common questions
Does Email Header Footer have known vulnerabilities?
Yes. VulnCrest Radar lists 2 known vulnerabilities in Email Header Footer: 2 medium. At least one is not fixed in the latest version.
How do I check which version of Email Header Footer 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 Email Header Footer vulnerability?
CVE-2023-33999, published Jul 18, 2023: Freemius SDK <= 2.5.9 - Reflected Cross-Site Scripting via fs_request_get. Severity: Medium (CVSS 6.1).
Is any Email Header Footer vulnerability listed in CISA KEV?
No. None of the known Email Header Footer vulnerabilities is currently listed in the CISA KEV catalog.