pH7Software pH7Builder (pH7 Social Dating CMS) through 18.2.0 resolves the client IP address in protected/framework/Ip/Ip.class.php from the HTTPCLIENTIP and HTTPXFORWARDEDFOR headers without verifying the request comes from a trusted proxy. Because the admin login attempt counter and lockout are keyed on this value, a remote unauthenticated attacker bypasses IP-based throttling by sending a different X-Forwarded-For value per request

Improper Restriction of Excessive Authentication Attempts in the administration login of pH7Software pH7Builder (pH7 Social Dating CMS) through 19.2.0. The CAPTCHA escalation flag is stored in the PHP session as captchaadminenabled and the CAPTCHA form element is only built when that flag is present, so a remote unauthenticated attacker who obtains a new session before each login attempt is never presented with the challenge.

A stored cross-site scripting (XSS) vulnerability exists in pH7Software pH7-Social-Dating-CMS 17.9.1 in the application's message system. Unsanitized message content submitted by one user is persisted by the server and later rendered in another user's Inbox view without appropriate context-aware encoding. As a result, attacker-controlled content executes in the recipient's browser context when the Inbox message is viewed.

A stored cross-site scripting (XSS) vulnerability exists in pH7Software pH7-Social-Dating-CMS 17.9.1 in the user profile Description field.