------------------------------------------------------------------------ Stored Cross-Site Scripting vulnerability in Count per Day WordPress Plugin ------------------------------------------------------------------------ Julien Rentrop, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A Cross-Site Scripting vulnerability was found in the Count per Day WordPress Plugin. This issue can be exploited by an unauthenticated attacker and allows an attacker to perform a wide variety of actions, such as stealing users' session tokens, or performing arbitrary actions on their behalf. In order to exploit this issue, the attacker has to lure/force a victim into opening a malicious website/link. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160717-0001 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully tested on Count per Day WordPress Plugin version 3.5.4. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ This issue is resolved in Count per Day version 3.5.5. ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/stored_cross_site_scripting_vulnerability_in_count_per_day_wordpress_plugin.html ------------------------------------------------------------------------ Summer of Pwnage (https://sumofpwn.nl) is a Dutch community project. Its goal is to contribute to the security of popular, widely used OSS projects in a fun and educational way.