CVE-2017-20192

6.1 mediumEPSS 1.1%

The Formidable Form Builder plugin for WordPress is vulnerable to Stored Cross-Site Scripting via multiple parameters submitted during form entries like 'after_html' in versions before 2.05.03 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts that execute in a victim's browser.

Severity

CVSS 3.1

6.1 medium

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

EPSS: 1.1% chance of exploitation in the next 30 days; higher than 65% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2024-10-16
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

strategy11:formidable_form_builder

References

https://klikki.fi/adv/formidable.html
https://wordpress.org/plugins/formidable/#developers
https://www.wordfence.com/threat-intel/vulnerabilities/id/900fcaab-2424-4ae8-af18-95659db0dbe3?source=cve

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