The Contact Form 7 plugin for WordPress is vulnerable to authorization bypass due to capability_type mishandling in register_post_type in versions up to, and including, 5.0.3. This makes it possible for authenticated attackers with contributor level privileges and above to modify contact forms and potential supply paths to sensitive files that make sensitive information disclosure possible.
CVE-2018-20979 is a medium severity with CVSS 6.3 Authorization Bypass issue affecting the Plugin Contact Form 7. It affects Versions before 5.0.4 and is fixed in 5.0.4.
CVE-2018-20979 is tracked for the Plugin Contact Form 7 as medium severity with CVSS 6.3. The affected range is Versions before 5.0.4. Update Contact Form 7 to 5.0.4 or newer where that version is compatible with the site.
| Software Type | Plugin |
|---|---|
| Software Slug |
contact-form-7
View on wordpress.org
|
| CVE | CVE-2018-20979 |
| Patched Versions |
5.0.4
|
| Affected Versions |
Versions before 5.0.4
|
These internal links group the same WordPress plugin by CVE, issue type, severity, and patch status so operators and search engines can connect the full vulnerability cluster.
Contact Form 7 <= 5.3.1 - Arbitrary File Upload via Bypass
Contact Form 7 <= 5.8.3 - Authenticated (Editor+) Arbitrary File Upload
Contact Form 7 <= 5.9.4 - Unauthenticated Open Redirect
Contact Form 7 <= 5.9 - Reflected Cross-Site Scripting
Contact Form 7 <= 6.0.5 - Order Replay Vulnerability
Contact Form 7 < 3.7.2 - CAPTCHA Bypass
Contact Form 7 <= 3.5.2 - Arbitrary File Upload
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