The Happyforms Pro plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'happyforms_client_referer' parameter in all versions up to, and including, 1.38.9 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated a...
Vendor
Happyforms vulnerabilities
9 published CVES affecting Happyforms, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
- Total
- 9
- Critical
- 1
- High
- 3
- Medium
- 5
- Low
- 0
- Unscored
- 0
- CISA KEV
- 0
Products
- Happyforms 6
- Happyforms Pro 2
- Form builder to get in touch with visitors, grow your email list and collect payments — Happyforms 1
- Happyforms – Form Builder for WordPress: Drag & Drop Contact Forms, Surveys, Payments & Multipurpose Forms 1
Latest Happyforms CVEs
Newest publication first
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HighCVSS 7.2
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HighCVSS 7.2
The Happyforms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via spoofable client IP headers in versions up to, and including, 1.38.9. This is due to the happyforms_get_client_ip() function reading raw HTTP_CLIENT_IP and HTTP_X_FORWARDED_FOR request headers wi...
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CVE-2026-97065 WordPress Happyforms plugin <= 1.26.15 - Cross Site Scripting (XSS) vulnerability
PublishedHighCVSS 7.1Unauthenticated Cross Site Scripting (XSS) in Happyforms <= 1.26.15 versions.
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MediumCVSS 6.6
The Happyforms – Form Builder for WordPress: Drag & Drop Contact Forms, Surveys, Payments & Multipurpose Forms plugin for WordPress is vulnerable to Local File Inclusion in all versions up to, and including, 1.26.12 via the happyforms_get_form_partial() function. This makes it po...
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CVE-2026-49768 WordPress Happyforms plugin <= 1.26.13 - PHP Object Injection vulnerability
PublishedCriticalCVSS 9.8Unauthenticated PHP Object Injection in Happyforms <= 1.26.13 versions.
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CVE-2024-44063 WordPress Happyforms plugin <= 1.26.0 - Cross Site Scripting (XSS) vulnerability
PublishedMediumCVSS 6.5Improper 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.
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CVE-2024-23521 WordPress Happyforms plugin <= 1.25.10 - Broken Access Control vulnerability
PublishedMediumCVSS 5.3Missing Authorization vulnerability in Happyforms.This issue affects Happyforms: from n/a through 1.25.10.
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CVE-2023-48752 WordPress Happyforms Plugin <= 1.25.9 is vulnerable to Cross Site Scripting (XSS)
PublishedMediumCVSS 6.1Improper 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...
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MediumCVSS 5.4
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.