Kacper has discovered a vulnerability in WebText CMS, which can be exploited by malicious users to compromise a vulnerable system.
Input passed to the "im" parameter when editing user profiles is not properly sanitised before being stored in a PHP file. This can be exploited to inject arbitrary PHP commands, which are executed when invoking the stored PHP file.
The vulnerability is confirmed in version 0.4.5.2. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
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