CVE-2023-0096: Happyforms

Medium severity, CVSS 5.4. EPSS: 0.5% chance of exploitation in the next 30 days.

The Happyforms WordPress plugin before 1.22.0 does not validate and escape some of its block options before outputting them back in a page/post where the block is embed, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products

• Happyforms Happyforms: before 1.22.0 (fixed in 1.22.0)

Published 2023-02-06. Last modified 2026-06-17.