CVE-2020-35489

Name: CVE-2020-35489
Creator: NVD / NIST
Published: 2020-12-17T19:15:14.353+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

CRITICALCVSS 10/10EPSS 89.27%

Last modified Jun 17, 2026

CVE-2020-35489 is a critical-severity vulnerability rated 10/10 on the CVSS scale. 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.. EPSS estimates a 89.27% chance of exploitation in the next 30 days.

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.

Metrics

CVSS 3.1

10/10

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H

EPSS Probability

89.27%

99.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-434

Affected Software

Vendor	Product	Versions
Rocklobster	Contact Form 7	< 5.3.2

References

https://contactform7.com/2020/12/17/contact-form-7-532/Vendor Advisory
https://wordpress.org/plugins/contact-form-7/#developersRelease Notes, Third Party Advisory
https://wpscan.com/vulnerability/10508Third Party Advisory
https://www.getastra.com/blog/911/plugin-exploit/contact-form-7-unrestricted-file-upload/Third Party Advisory
https://www.jinsonvarghese.com/unrestricted-file-upload-in-contact-form-7/Third Party Advisory
https://contactform7.com/2020/12/17/contact-form-7-532/Vendor Advisory
https://wordpress.org/plugins/contact-form-7/#developersRelease Notes, Third Party Advisory
https://wpscan.com/vulnerability/10508Third Party Advisory
https://www.getastra.com/blog/911/plugin-exploit/contact-form-7-unrestricted-file-upload/Third Party Advisory
https://www.jinsonvarghese.com/unrestricted-file-upload-in-contact-form-7/Third Party Advisory

Timeline

Published: Dec 17, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-35489?

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.

How severe is CVE-2020-35489?

CVE-2020-35489 has a CVSS score of 10/10 (CRITICAL severity). The EPSS model estimates a 89.27% probability of exploitation in the next 30 days.

How do I fix CVE-2020-35489?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-35489?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST