What’s Vulnerable › Vulnerabilities

CVE-2020-35489

• Severity: critical (CVSS 10.0 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 89.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-12-17 · updated 2026-06-17
• Weakness: CWE-434

Description

The contact-form-7 (aka Contact Form 7) plugin before 5.3.2 for WordPress allows Unrestricted File Upload and remote code execution because a filename may contain special characters.

Affected products

• rocklobsterinc Contact Form 7: before 5.3.2 — fixed in 5.3.2

How to fix

Upgrade to a fixed version: rocklobsterinc Contact Form 7 5.3.2. Check the vendor advisory for mitigations.

References

• https://contactform7.com/2020/12/17/contact-form-7-532/
• https://wordpress.org/plugins/contact-form-7/#developers
• https://wpscan.com/vulnerability/10508
• https://www.getastra.com/blog/911/plugin-exploit/contact-form-7-unrestricted-file-upload/
• https://www.jinsonvarghese.com/unrestricted-file-upload-in-contact-form-7/
• https://contactform7.com/2020/12/17/contact-form-7-532/
• https://wordpress.org/plugins/contact-form-7/#developers
• https://wpscan.com/vulnerability/10508
• https://www.getastra.com/blog/911/plugin-exploit/contact-form-7-unrestricted-file-upload/
• https://www.jinsonvarghese.com/unrestricted-file-upload-in-contact-form-7/

Get alerted when CVE-2020-35489 or the next vulnerability affects your stack