------------------------------------------------------------------------ Cross-Site Scripting in Count per Day WordPress Plugin ------------------------------------------------------------------------ Yorick Koster, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A Cross-Site Scripting vulnerability was found in the Count per Day WordPress Plugin. This issue allows an attacker to perform a wide variety of actions, such as stealing Administrators' session tokens, or performing arbitrary actions on their behalf. In order to exploit this issue, the attacker has to lure/force a logged on WordPress Administrator into opening a malicious website. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160724-0024 ------------------------------------------------------------------------ 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/cross_site_scripting_in_count_per_day_wordpress_plugin.html This issue exists in the file counter-options.php and is caused due to the lack of output encoding on the limit POST parameter.
'; In order to exploit this issue, the attacker has to lure/force a logged on WordPress Administrator into opening a malicious website. Proof of concept
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