
Exponent CMS 2.3.7 - SWF File Upload Cross Site Scripting Vulnerability
Reported by Sachin Wagh | February 25th, 2016 @ 07:36 AM | in 2.4.1 (closed)
Information
Vulnerability Type : Exponent CMS 2.3.7 -File Upload Cross Site
Scripting Vulnerability
Vulnerable Version : 2.3.7
CVE-ID :
Severity: High
Author – Sachin Wagh (@tiger_tigerboy)
Description
Exponent CMS is prone to a swf file upload cross site Scripting vulnerability because it fails to sanitize user-supplied input.
Please find attached POC for more detail.
http://localhost/exponent-2.3.7/files/xssproject.swf?js=alert%28%27...;
Reference :
https://www.owasp.org/index.php/Testing_for_Cross_site_flashing_%28...
Credits & Authors
Sachin Wagh (@tiger_tigerboy)
Comments and changes to this ticket
-
dleffler February 25th, 2016 @ 11:28 AM
- Tag set to security
- Assigned user cleared.
Isn't this simply exposing a possible (end user) Adobe Flash security issue? What is your suggested fix...not allow swf file uploads by users?
-
-
dleffler December 15th, 2016 @ 11:40 AM
- State changed from new to resolved
- Assigned user set to dleffler
- Milestone set to 2.4.1
SWF uploads were no longer permitted as of v2.4.0patch1, further reinforced by a recent code push for the next patch/release
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