Product
7 published CVES affecting Happyforms, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
Unauthenticated Cross Site Scripting (XSS) in Happyforms <= 1.26.15 versions.
Unauthenticated PHP Object Injection in Happyforms <= 1.26.13 versions.
The Happyforms WordPress plugin before 1.26.3 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite se...
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Happyforms allows Stored XSS.This issue affects Happyforms: from n/a through 1.26.0.
Missing Authorization vulnerability in Happyforms.This issue affects Happyforms: from n/a through 1.25.10.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Happyforms Form builder to get in touch with visitors, grow your email list and collect payments — Happyforms allows Reflected XSS.This issue affects Form builder to get in touch...
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.
Sources: CVE.org, NVD, CISA KEV, FIRST EPSS, OSV and public exploit-reference metadata. Product matching comes from the published CVE records. A proof-of-concept means public code exists; it is not evidence of exploitation.