Daniel Toma has discovered a vulnerability in Sajax, which can be exploited by malicious people to conduct cross-site scripting attacks.
Input passed via the URL to the "sajax_get_common_js()" function in php/Sajax.php is not properly sanitised before being returned to the user. This can be exploited to execute arbitrary HTML and script code in a user's browser session in context of an affected site.
Successful exploitation requires that the user is running a browser that does not URL-encode the request (e.g. Internet Explorer 6).
The vulnerability is confirmed in version 0.12. Other versions may also be affected.
Solution: Edit the source code to ensure that input is properly sanitised.
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