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CVE-2020-35489

79
FAUCET Score

CVE-2020-35489 is a critical unrestricted file upload vulnerability affecting the Contact Form 7 plugin for WordPress, versions prior to 5.3.2. This flaw allows remote code execution due to the plugin's failure to properly sanitize filenames containing special characters. With a CVSS score of 10.0, it presents a severe risk, enabling unauthenticated attackers to compromise confidentiality, integrity, and availability of affected systems with low attack complexity. While there is no evidence of active exploitation in the wild or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered significant community discussion and media attention, indicating its potential for future exploitation.

Impacted Technologies

VendorProductVersion(s)CPE
< 5.3.2CPE matchmatch criteria
cpe:2.3:a:rocklobster:contact_form_7:*:*:*:*:*:wordpress:*:*

CVSS Data

CVSS version used by this source: 3.1

10.0CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
6.0
CvssVersion
3.1

Exploit Intelligence

EPSS Score
89.63%
Probability of exploitation in next 30 days
EPSS Percentile
99.8%
Percentile rank of EPSS score among Peer Group
As of 2026-07-28
Model: v2026.06.15
This CVE's current EPSS score of 0.8963 is in the 99th percentile among its peer group of 36,897 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.

Media Mentions

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Remediation records are not available for this CVE.

References

contactform7.com / 2020/12/17/contact-form-7-532
Vendor Advisory
wordpress.org / plugins/contact-form-7
Release NotesThird Party Advisory
wpscan.com / vulnerability/10508
Third Party Advisory
getastra.com / blog/911/plugin-exploit/contact-form-7-unrestricted-file-upload
Third Party Advisory
jinsonvarghese.com / unrestricted-file-upload-in-contact-form-7
Third Party Advisory