Details ================ # Title : Cross Site Scripting (XSS) & Cross Site Request Forgery (CSRF) in Crony Cronjob Manager Version 0.4.4 # Affected Product : Crony Cronjob Manager Wordpress plugin Version 0.4.4 # Vendor Homepage : https://wordpress.org/plugins/crony/developers/ # Vulnerability Type : Cross Site Scripting (XSS) & Cross Site Request Forgery (CSRF) # Risk : High # POC URL : https://github.com/cybersecurityworks/Disclosed/issues/9 # Video URL : https://www.youtube.com/watch?v=MY5l91pX-tY # Status : Fixed # CVE : not assigned Description ================ By exploiting a Cross-site scripting vulnerability along with Cross Site Request forgery will gives an easy access to an attacker for hijacking a logged in user?s session by stealing cookies. This means that the malicious hacker can change the logged in user?s password and invalidate the session of the victim while the hacker maintains access. Technical Details ================ 1. Logon into any wordpress application (attacker) 2. Click to ?Add new cronjob? in Crony Cronjob Manager Version 0.4.4 Plugin and capture the request in intercepting proxy. 3. Now, Generate a CSRF Request with attacker logged in account. 4. Modify the request with the code you required to get executed in victim?s browser. 5. Enter the value for the name variable with ?XSS&CSRF? and add any scripts, malicious code or payload. 6. Here, its <script>alert(?Vulnerable2CSRF&XSS?)</script> which an attacker wants to get executed in victim?s browser and sends the link to victim. 7. Now, once the victim opens the link in the user logged in browser. Then, immediately the added XSS payload will be executed whenever we review it. Advisory Timeline ================ 2015-08-28 ? Discovered in Crony Cronjob Manager Version 0.4.4. 2015-08-28 ? Reported to plugins@wordpress.org & lol@scottkclark.com 2015-08-28 ? lol@scottkclark.com replied, "I'll check it out, thanks for the heads up." 2015-08-28 ? Requested for Advance CVE 2015-09-08 ? Another response from developer, "I'll be back into things tomorrow morning, will let you know once it's up." 2015-09-27 ? Issues fixed in version 0.4.6 <https://wordpress.org/plugins/crony/changelog/>, developer responded. 2015-11-30 - Issues were reported again. Since, not fixed in the released version (0.4.6) 2015-12-09 - Developer responded. 2016-01-04 - Fixed in version 0.4.7 <https://downloads.wordpress.org/plugin/crony.0.4.7.zip> now. Fix ================ https://www.owasp.org/index.php/Cross-Site_Request_Forgery_(CSRF) https://www.owasp.org/index.php/Cross-site_Scripting_(XSS) Credits & Authors ================ sathish@cybersecurityworks.com from cybersecurityworks Pvt Ltd <http://www.cybersecurityworks.com/> About Cybersecurityworks ================ Cybersecurity Works is basically an auditing company passionate working on findings & reporting security flaws & vulnerabilities on web application and network. As professionals, we handle each client differently based on their unique requirements. Visit our website <http://www.cybersecurityworks.com/> for more information. -- ---------- Cheers !!! Team CSW Research Lab <http://www.cybersecurityworks.com>