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

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.893 (99.8th percentile), scored .

High probability of exploitation in the next 30 days — patch promptly. 100th percentile — 99.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2020-35489: held from 0.893 to 0.893.

EPSS over last 30 days · oldest: 0.893 · newest: 0.893 · change: 0.000

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.