I, Librarian version 4.9 and earlier contains an Incorrect Access Control vulnerability in ajaxdiscussion.php that can result in any users gaining unauthorized access (read, write and delete) to project discussions.

I, Librarian version 4.8 and earlier contains a Cross Site Scripting (XSS) vulnerability in "id" parameter in stable.php that can result in an attacker using the XSS to send a malicious script to an unsuspecting user.

I, Librarian version 4.8 and earlier contains a SSRF vulnerability in "url" parameter of getFromWeb in functions.php that can result in the attacker abusing functionality on the server to read or update internal resources.

I, Librarian version 4.8 and earlier contains a Cross site Request Forgery (CSRF) vulnerability in users.php that can result in the password of the admin being forced to be changed without the administrator's knowledge.

I, Librarian version <=4.6 & 4.7 is vulnerable to Server-Side Request Forgery in the ajaxsupplement.php resulting in the attacker being able to reset any user's password.

I, Librarian version <=4.6 & 4.7 is vulnerable to Reflected Cross-Site Scripting in the temp.php resulting in an attacker being able to inject malicious client side scripting which will be executed in the browser of users if they visit the manipulated site.

I, Librarian version <=4.6 & 4.7 is vulnerable to OS Command Injection in batchimport.php resulting the web server being fully compromised.

I, Librarian version <=4.6 & 4.7 is vulnerable to Directory Enumeration in the jqueryFileTree.php resulting in attacker enumerating directories simply by navigating through the "dir" parameter