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Date: Thu, 8 Sep 2016 19:26:01 +0200 From: Summer of Pwnage <lists@...urify.nl> To: fulldisclosure@...lists.org Subject: [FD] Persistent Cross-Site Scripting vulnerability in WordPress due to unsafe processing of file names ------------------------------------------------------------------------ Persistent Cross-Site Scripting vulnerability in WordPress due to unsafe processing of file names ------------------------------------------------------------------------ Han Sahin, July 2016 ------------------------------------------------------------------------ Abstract ------------------------------------------------------------------------ A persistent Cross-Site Scripting (XSS) vulnerability has been found in WordPress. An attacker can create a specially crafted image file name which, when uploaded in WordPress, injects malicious JavaScript code into the application. An attacker can use this vulnerability to perform a wide variety of actions, such as stealing victims' session tokens or login credentials, and performing arbitrary actions on their behalf. ------------------------------------------------------------------------ OVE ID ------------------------------------------------------------------------ OVE-20160724-0018 ------------------------------------------------------------------------ Tested versions ------------------------------------------------------------------------ This issue was successfully tested on WordPress 4.5.3. ------------------------------------------------------------------------ Fix ------------------------------------------------------------------------ This vulnerability is resolved in WordPress 4.6.1 (Release Notes). ------------------------------------------------------------------------ Details ------------------------------------------------------------------------ https://sumofpwn.nl/advisory/2016/persistent_cross_site_scripting_vulnerability_in_wordpress_due_to_unsafe_processing_of_file_names.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. _______________________________________________ Sent through the Full Disclosure mailing list https://nmap.org/mailman/listinfo/fulldisclosure Web Archives & RSS: http://seclists.org/fulldisclosure/
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