WordPress plugin
Contact Form 7 Signature Addon 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
- High1
- Medium0
- Low0
All Contact Form 7 Signature Addon vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.5 | Unauthenticated Arbitrary File Read ≤4.2.2No patch available | CVE-2026-104246 |
- High7.5Unauthenticated Arbitrary File Read
≤4.2.2No patch available
Contact Form 7 Signature Addon: common questions
Does Contact Form 7 Signature Addon have known vulnerabilities?
Yes. VulnCrest Radar lists 1 known vulnerability in Contact Form 7 Signature Addon: 1 high. At least one is not fixed in the latest version.
How do I check which version of Contact Form 7 Signature Addon 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 Contact Form 7 Signature Addon vulnerability?
CVE-2026-104246, published Oct 14, 2026: Contact Form 7 Signature Addon <= 4.2.2 - Unauthenticated Arbitrary File Read. Severity: High (CVSS 7.5).
Is any Contact Form 7 Signature Addon vulnerability listed in CISA KEV?
No. None of the known Contact Form 7 Signature Addon vulnerabilities is currently listed in the CISA KEV catalog.