During MegaBIP installation process, a user is encouraged to change a default path to administrative portal, as keeping it secret is listed by the author as one of the protection mechanisms.  Publicly available source code of "/registered.php" discloses that path, allowing an attacker to attempt further attacks.   This issue affects MegaBIP software versions below 5.15

Websites managed by MegaBIP in versions below 5.15 are vulnerable to Cross-Site Request Forgery (CSRF) as the form available under "/edytor/index.php?id=7,7,0" lacks protection mechanisms. A user could be tricked into visiting a malicious website, which would send POST request to this endpoint. If the victim is a logged in administrator, this could lead to creation of new accounts and granting of administrative permissions.

SQL Injection vulnerability in parameter "w" in file "druk.php" in MegaBIP software allows unauthorized attacker to disclose the contents of the database and obtain administrator's token to modify the content of pages.  This issue affects MegaBIP software versions through 5.13.

SQL Injection vulnerability in MegaBIP software allows attacker to disclose the contents of the database, obtain session cookies or modify the content of pages. This issue affects MegaBIP software versions through 5.12.1.