Description
A Stored XSS vulnerability in the donor avatar mouse-over text feature in GazellePW (GazellePosterWall) commit 86c4bedf727691b5a97af42a4864869d18446449 allows remote authenticated users to inject arbitrary JavaScript via the avatar_mouse_over_text parameter, which is stored and later rendered in avatar tooltip.
References
- https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/app/Manager/Donation.php#L708
- https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/classes/users.class.php#L783
- https://github.com/Mosasauroidea/GazellePW/blob/86c4bedf727691b5a97af42a4864869d18446449/sections/user/user.php#L344
- https://snaacky.com/1-click-exploit-chain-for-complete-gazellepw-database-compromise