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KeystoneJS 4.0.0-beta.5 Unauthenticated Stored Cross Site Scripting Vulnerability
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# Exploit Title: KeystoneJS 4.0.0-beta.5 Unauthenticated Stored XSS # Vendor Homepage: http://keystonejs.com/ # Exploit Author: Ishaq Mohammed # Contact: https://twitter.com/security_prince # Website: https://about.me/security-prince # Category: WEBAPPS # Platform: Node.js # CVE: CVE-2017-15878 Vendor Description: KeystoneJS is a powerful Node.js content management system and web app framework built on express and mongoose. Keystone makes it easy to create sophisticated web sites and apps, and comes with a beautiful auto-generated Admin UI. Source: https://github.com/keystonejs/keystone/blob/master/README.md Technical Details and Exploitation: A cross-site scripting (XSS) vulnerability exists in fields/types/markdown/MarkdownType.js in KeystoneJS before 4.0.0-beta.7 via the Contact Us feature. http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2017-15878 Proof of Concept: 1. Navigate to Contact Us page 2. Fill in the details needed and enter the below payload in message field and send <a onmouseover=alert(document.cookie)>XSS link</a> 3. Now login as admin and navigate to the above new record created in the enquiries 4. Move the cursor on the text aXSS linka Solution: The issues have been fixed and the vendor has released the patches https://github.com/keystonejs/keystone/pull/4478/commits/5cb6405dfc0b6d59003c996f8a4aa35baa6b2bac Reference: https://github.com/keystonejs/keystone/pull/4478 https://securelayer7.net/download/pdf/KeystoneJS-Pentest-Report-SecureLayer7.pdf -- Best Regards, Ishaq Mohammed https://about.me/security-prince # 0day.today [2024-11-16] #