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OpenAdvisories
Medium · 6.4 CVE-2024-3559 EUVD-2024-32145GHSA-3fc6-rfv9-rx3p

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

Published Jun 12, 2024 · Updated Apr 8, 2026 · Assigned by Wordfence

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.

Affected products

VendorProductAffectedFixed
mgibbs189 Custom Field Suite ≤ 2.6.7 —

References