WordPress plugin
Message Filter for Contact Form 7 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
- Medium8
- Low0
All Message Filter for Contact Form 7 vulnerabilities
| Severity | Vulnerability | CVE | Published |
|---|---|---|---|
| High7.2 | Unauthenticated Stored Cross-Site Scripting ≤1.6.3.9Update to 1.6.4.0 | CVE-2026-65438 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤1.6.3.8Update to 1.6.3.9 | CVE-2026-57423 | |
| Medium6.1 | Reflected DOM-Based Cross-Site Scripting via url Parameter ≤5.5.8Update to 5.5.9 | CVE-2024-13362 | |
| Medium4.9 | Authenticated (Administrator+) SQL Injection ≤1.6.3.2Update to 1.6.33 | CVE-2025-46252 | |
| Medium4.3 | Missing Authorization to Authenticated (Subscriber+) New Filter Creation ≤1.6.3Update to 1.6.3.1 | CVE-2024-12026 | |
| Medium4.3 | Missing Authorization to Authenticated (Subscriber+) Filter Updates/Deletions ≤1.6.3Update to 1.6.3.1 | CVE-2024-12027 | |
| Medium4.3 | Missing Authorization ≤1.6.3Update to 1.6.3.1 | CVE-2024-54254 | |
| Medium6.1 | Reflected Cross-Site Scripting ≤1.6.1.1Update to 1.6.2 | CVE-2024-39647 | |
| Medium6.1 | Reflected Cross-Site Scripting via fs_request_get ≤1.9.2No patch available | CVE-2023-33999 |
- High7.2Unauthenticated Stored Cross-Site Scripting
≤1.6.3.9Update to 1.6.4.0
- Medium6.1Reflected Cross-Site Scripting
≤1.6.3.8Update to 1.6.3.9
- Medium6.1Reflected DOM-Based Cross-Site Scripting via url Parameter
≤5.5.8Update to 5.5.9
- Medium4.9Authenticated (Administrator+) SQL Injection
≤1.6.3.2Update to 1.6.33
- Medium4.3Missing Authorization to Authenticated (Subscriber+) New Filter Creation
≤1.6.3Update to 1.6.3.1
- Medium4.3Missing Authorization to Authenticated (Subscriber+) Filter Updates/Deletions
≤1.6.3Update to 1.6.3.1
- Medium4.3Missing Authorization
≤1.6.3Update to 1.6.3.1
- Medium6.1Reflected Cross-Site Scripting
≤1.6.1.1Update to 1.6.2
- Medium6.1Reflected Cross-Site Scripting via fs_request_get
≤1.9.2No patch available
Message Filter for Contact Form 7: common questions
Does Message Filter for Contact Form 7 have known vulnerabilities?
Yes. VulnCrest Radar lists 9 known vulnerabilities in Message Filter for Contact Form 7: 1 high, 8 medium. At least one is not fixed in the latest version.
How do I check which version of Message Filter for Contact Form 7 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 Message Filter for Contact Form 7 vulnerability?
CVE-2026-65438, published Jul 27, 2026: Message Filter for Contact Form 7 <= 1.6.3.9 - Unauthenticated Stored Cross-Site Scripting. Severity: High (CVSS 7.2).
Is any Message Filter for Contact Form 7 vulnerability listed in CISA KEV?
No. None of the known Message Filter for Contact Form 7 vulnerabilities is currently listed in the CISA KEV catalog.