WordPress Plugin Vulnerabilities
HappyForms < 1.26.15 - Unauthenticated HTML Injection in Admin Notification Email via client_referer
Description
The plugin 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.
Proof of Concept
Affects Plugins
Fixed in 1.26.15 References
CVE
Classification
Type
INJECTION
OWASP top 10
CVSS
Miscellaneous
Original Researcher
minaruzzaman shovon
Submitter
minaruzzaman shovon
Submitter website
Verified
Yes
WPVDB ID
Timeline
Publicly Published
2026-10-19 (about 3 days ago)
Added
2026-10-19 (about 2 days ago)
Last Updated
2026-10-19 (about 2 days ago)
