Happyforms < 1.22.0 - Contributor+ Stored XSS

The plugin 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. Exploit Additional CSS classes for "Forms" Gutenberg...

Happyforms < 1.22.0 - Contributor+ Stored XSS

The plugin 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. PoC Exploit Additional CSS classes for "Forms" Gutenbe...