phpComasy CMS - Multiple Cross Site Scripting Issues

Risk: Low
Local: No
Remote: Yes

CVSS Base Score: 6.8/10
Impact Subscore: 6.4/10
Exploitability Subscore: 8.6/10
Exploit range: Remote
Attack complexity: Medium
Authentication: No required
Confidentiality impact: Partial
Integrity impact: Partial
Availability impact: Partial

MajorSecurity Advisory #32]phpComasy CMS - Multiple Cross Site Scripting Issues Details ======= Product: phpComasy CMS Affected Version: <= 0.7.9 pre Security-Risk: moderated Remote-Exploit: yes Vendor-URL: Vendor-Status: informed Advisory-Status: published Credits ============ Discovered by: David Vieira-Kurz Original Advisory: ============ Introduction ============ phpComasy CMS is a Content Management System. More Details ============ Cross Site Scripting: Input passed directly to the "username" and "password" parameter in "index.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. Fix === Version 0.8 Solution ============= Edit the source code to ensure that input is properly sanitised. You should work with "htmlspecialchars()" or "htmlentities()" php-function to ensure that html tags are not going to be executed. Further it is recommend to set off the "register globals" option in the "php.ini" on your webserver. Example: $pass = htmlentities($_POST['pass']); $test = htmlspecialchars($_GET('test')); ?> History/Timeline ================ 02.11.2006 discovery of the vulnerabilities 02.11.2006 additional tests with other versions 03.11.2006 contacted the vendor 04.11.2006 the vendor contacted me(response) 04.11.2006 vendor confirmed the bugs 05.11.2006 bugs have been fixed 06.11.2006 advisory is written 06.11.2006 advisory released MajorSecurity ======= MajorSecurity is a German penetration testing and security research project which consists of only one person at the present time. I am looking for a sponsor. You can find more Information on the MajorSecurity Project at

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