Vendor
5 published CVES affecting likebtn, from public sources (CVE.org, NVD, CISA KEV, FIRST EPSS, OSV).
Newest publication first
The Like Button Rating ♥ LikeBtn plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'HTTP_CLIENT_IP (Client-IP header)' parameter in all versions up to, and including, 2.6.64 due to insufficient input sanitization and output escaping. This makes it possible...
Subscriber SQL Injection in Like Button Rating <= 2.6.61 versions.
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in LikeBtn Like Button Rating likebtn-like-button.This issue affects Like Button Rating: from n/a through <= 2.6.53.
The Like Button Rating WordPress plugin before 2.6.45 allows any logged-in user, such as subscriber, to send arbitrary e-mails to any recipient, with any subject and body
The Like Button Rating ♥ LikeBtn WordPress plugin before 2.6.38 does not have any authorisation and CSRF checks in the likebtn_export_votes AJAX action, which could allow any authenticated user, such as subscriber, to get a list of email and IP addresses of people who liked conte...
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.