Whale Bridge, a default extension in Whale browser before 3.12.129.18, allowed to receive any SendMessage request from the content script itself that could lead to controlling Whale Bridge if the rendering process compromises.

The Web Request API in Whale browser before 3.12.129.18 allowed to deny access to the extension store or redirect to any URL when users access the store.

The devtools API in Whale browser before 3.12.129.18 allowed extension developers to inject arbitrary JavaScript into the extension store web page via devtools.inspectedWindow, leading to extensions downloading and uploading when users open the developer tool.

A Built-in extension in Whale browser before 3.12.129.46 allows attackers to compromise the rendering process which could lead to controlling browser internal APIs.

Whale browser for iOS before 1.14.0 has an inconsistent user interface issue that allows an attacker to obfuscate the address bar which may lead to address bar spoofing.

Whale Browser Installer before 1.2.0.5 versions don't support signature verification for Flash installer.

The Whale browser installer 0.4.3.0 and earlier versions allows DLL hijacking.

Whale Browser before 1.3.48.4 displays no URL information but only a title of a web page on the browser's address bar when visiting a non-http page, which allows an attacker to display a malicious web page with a fake domain name.

Whale Browser before 1.0.41.8 displays no URL information but only a title of a web page on the browser's address bar when visiting a blank page, which allows an attacker to display a malicious web page with a fake domain name.

The path of Whale update service was unquoted in NAVER Whale before 1.0.40.7. This vulnerability can be used for persistent privilege escalation if it's available to create an executable file with System privilege by other vulnerable applications.