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4 vulnerabilities found for HappyForms by Unknown
CVE-2026-14556 (GCVE-0-2026-14556)
Vulnerability from nvd – Published: 2026-10-21 08:38 – Updated: 2026-10-21 10:14
VLAI
EPSS
VEX
Title
HappyForms < 1.26.15 - Unauthenticated HTML Injection in Admin Notification Email via client_referer
Summary
The HappyForms WordPress plugin before 1.26.15 does not sanitise or escape a user-controlled referral value before embedding it in the form notification email, allowing unauthenticated attackers to inject arbitrary HTML into the emails site administrators receive.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 10:11 UTC
CWE
- CWE-116 Improper Encoding or Escaping of Output
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/7673862c-b37c-4c… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | HappyForms |
Affected:
0 , < 1.26.15
(semver)
|
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CVE-2024-10054 (GCVE-0-2024-10054)
Vulnerability from nvd – Published: 2025-05-15 20:06 – Updated: 2025-05-20 16:04
VLAI
EPSS
VEX
Title
Happyforms < 1.26.3 - Admin+ Stored XSS
Summary
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 setup).
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 15:47 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/5a9fd64b-3207-4a… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Happyforms |
Affected:
1.26.2 , < 1.26.3
(semver)
|
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CVE-2026-14556 (GCVE-0-2026-14556)
Vulnerability from cvelistv5 – Published: 2026-10-21 08:38 – Updated: 2026-10-21 10:14
VLAI
EPSS
VEX
Title
HappyForms < 1.26.15 - Unauthenticated HTML Injection in Admin Notification Email via client_referer
Summary
The HappyForms WordPress plugin before 1.26.15 does not sanitise or escape a user-controlled referral value before embedding it in the form notification email, allowing unauthenticated attackers to inject arbitrary HTML into the emails site administrators receive.
Severity
5.4 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2026-10-21 10:11 UTC
CWE
- CWE-116 Improper Encoding or Escaping of Output
- CWE-116 - Improper Encoding or Escaping of Output
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/7673862c-b37c-4c… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | HappyForms |
Affected:
0 , < 1.26.15
(semver)
|
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CVE-2024-10054 (GCVE-0-2024-10054)
Vulnerability from cvelistv5 – Published: 2025-05-15 20:06 – Updated: 2025-05-20 16:04
VLAI
EPSS
VEX
Title
Happyforms < 1.26.3 - Admin+ Stored XSS
Summary
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 setup).
Severity
4.8 (Medium)
SSVC
Exploitation: poc
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-05-20 15:47 UTC
Assigner
References
1 reference
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/5a9fd64b-3207-4a… | exploitvdb-entrytechnical-description |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Unknown | Happyforms |
Affected:
1.26.2 , < 1.26.3
(semver)
|
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