The Contact Form 7 plugin for WordPress is vulnerable to arbitrary file uploads in versions up to 5.3.2. This is due to the fact that the plugin allows filenames to contain special characters which may make extension filter evasion possible on certain configurations. Our team was not able to reproduce this issue which leads us to believe there is a high attack complexity or special configuration requirement.
CVE-2020-35489 is a high severity with CVSS 8.1 Arbitrary File Upload issue affecting the Plugin Contact Form 7. It affects Versions before 5.3.2 and is fixed in 5.3.2.
Use the related hub and response guides to connect this CVE-2020-35489 report with patch validation, scanner checks, and site hardening work.
Open the grouped hub for related CVEs, affected ranges, severity mix, and patch coverage.
Check access, XML-RPC exposure, backup readiness, and monitoring after patching.
Use containment, evidence capture, remediation, and validation steps when exploit risk is high.
CVE-2020-35489 is tracked for the Plugin Contact Form 7 as high severity with CVSS 8.1. The affected range is Versions before 5.3.2. Update Contact Form 7 to 5.3.2 or newer where that version is compatible with the site.
Search engines and operators need more than a title. This page exposes the identifier, affected range, patch evidence, and source coverage that make the vulnerability actionable.
This report has a CVE identifier, which makes it suitable for focused search and vulnerability triage workflows.
Affected version data gives operators a concrete comparison point against installed WordPress software.
A fixed version is present, so the page can answer update and remediation intent directly.
External references are available for source validation, advisory review, and incident notes.
Use these checks when converting this record into a patch ticket, incident note, or risk acceptance decision.
Inventory the installed Plugin package and compare its version with Versions before 5.3.2.
Confirm Contact Form 7 is updated to 5.3.2 or newer.
Review references and CVSS vector details for exploitability, authentication requirements, and exposure path.
After patching, re-run vulnerability monitoring and keep the related plugin or theme hub under review for follow-up CVEs.
| Software Type | Plugin |
|---|---|
| Software Slug |
contact-form-7
View on wordpress.org
|
| CVE | CVE-2020-35489 |
| Patched Versions |
5.3.2
|
| Affected Versions |
Versions before 5.3.2
|
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 <= 5.8.3 - Authenticated (Editor+) Arbitrary File Upload
Contact Form 7 <= 5.0.3 - Authorization Bypass
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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