A vulnerability has been reported in Nucleus CMS, which can be exploited by malicious users to conduct script insertion attacks.
Input passed to unspecified parameters is not properly sanitised before being used. This can be exploited to insert arbitrary HTML and script code, which will be executed in an administrative user's browser session in context of an affected site when the malicious data is viewed.
Successful exploitation requires a valid member account with privileges to change certain settings.
The vulnerability is reported in versions prior to 3.24.
Solution: Update to version 3.24.
Provided and/or discovered by: The vendor credits JVN.
Original Advisory: JVN:
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Subject: Nucleus Unspecified Script Insertion
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