CVE-2024-3559

Custom Field Suite <= 2.6.7 - Authenticated (Contributor+) Stored Cross-Site Scripting via cfs[post_content]

Published Jun 12, 2024 CVSS 3.1 · 6.4 Medium EPSS < 1% KEV · Not listed
Description
The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_content]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2024-32145 The Custom Field Suite plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the the 'cfs[post_content]' parameter versions up to, and including, 2.6.7 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.
History
Type Values Removed Values Added
First Time appeared Matt Gibbs
Matt Gibbs custom Field Suite
CPEs cpe:2.3:a:matt_gibbs:custom_field_suite:*:*:*:*:*:*:*:*
Vendors & Products Matt Gibbs
Matt Gibbs custom Field Suite
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Custom Field Suite Project
Custom Field Suite Project custom Field Suite
Weaknesses CWE-79
CPEs cpe:2.3:a:custom_field_suite_project:custom_field_suite:*:*:*:*:*:wordpress:*:*
Vendors & Products Custom Field Suite Project
Custom Field Suite Project custom Field Suite
Weaknesses

Sources

Status
PUBLISHED
Assigner
Wordfence
Published
Updated
Apr 8, 2026, 4:54 PM
Reserved
Apr 9, 2024, 9:22 PM
Status
Modified
Published
Jun 12, 2024, 5:15 AM
Modified
Jun 17, 2026, 7:44 AM