Medium severity6.4NVD Advisory· Published Mar 13, 2026· Updated Apr 22, 2026
CVE-2026-3986
CVE-2026-3986
Description
The Calculated Fields Form plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the form settings in all versions up to, and including, 5.4.5.0. This is due to insufficient capability checks on the form settings save handler and insufficient input sanitization of the fcontent field in fhtml field types. 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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- Range: <=5.4.5.0
Patches
Vulnerability mechanics
References
5- plugins.trac.wordpress.org/browser/calculated-fields-form/tags/5.4.4.5/cp_calculatedfieldsf_free.phpnvd
- plugins.trac.wordpress.org/browser/calculated-fields-form/tags/5.4.4.5/inc/cpcff_form.inc.phpnvd
- plugins.trac.wordpress.org/browser/calculated-fields-form/tags/5.4.4.5/inc/cpcff_page_builders.inc.phpnvd
- plugins.trac.wordpress.org/browser/calculated-fields-form/trunk/cp_calculatedfieldsf_free.phpnvd
- www.wordfence.com/threat-intel/vulnerabilities/id/d650261a-ec0a-4538-ad59-0589712702fanvd
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