Arbitrary file upload in Rocklobster Contact_form_7

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.896 (99.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 10.0 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-35489?
CVE-2020-35489 is a critical-severity vulnerability in Rocklobster Contact_form_7, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 10.0/10. Published 2020-12-17.
How severe is CVE-2020-35489?
Critical severity. CVSS v3 base score is 10.0 out of 10.
Is CVE-2020-35489 known to be exploited?
33 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.