Multiple XSS Vulnerability Update For WP Bakery Visual Composer

Their is a Multiple XSS Vulnerability Update For WP Bakery Visual Composer that was released today. This is a free update from WP Bakery. I have not been able to find the details of the XSS vulnerabilities discovered and patched but I have one client with an older version of the Visual Composer that has been hacked a few times. I suspected this was the culprit and now we have an update for it.

The update is a free download from Code Canyon. Performing the update is easy if you have FTP, just download, extract, and copy over the existing folder /js_composer folder in your WordPress plugins.

If you don’t have FTP access you should be able to upload the .zip file via the plugin updater in the WordPress plugin area.

Coldfusion / PCI double null vulnerability – Addressed with apache rewriterule

Coldfusion / PCI double null vulnerability – Addressed with apache rewriterule

Coldfusion 8 and before have a ‘double null’ vulnerability that comes up as a fail on Nessus PCI reports. (output below)

Basically, some one can embed some custom characters into the URL and drive an error which breaks Coldfusion 17%2500.cfm

You can either upgrade Coldfusion (recommended)  or you can put in place an Apache RewriteRule which prevents anyone from accessing your Coldfusion pages with the exploited URL.

 RewriteRule %00 / [B,R]

Nessus Output before the error is corrected.

Application: https Port: 443 Protocol: tcp VATID: 40667 Synopsis : The remote web server has an information disclosure vulnerability. Description : The remote host is running a vulnerable version of ColdFusion on Apache. When requesting a non-ColdFusion file, appending a double-encoded null byte and an extension handled by ColdFusion (such as '.cfm') will display the contents of that file. A remote attacker could exploit this to view the source code of other files on the web server (e.g. PHP scripts), which may contain credentials or other sensitive information. This vulnerability is similar to CVE-2006-5858, which affected systems running ColdFusion on IIS. This vulnerability reportedly only affects systems running ColdFusion on Apache. See also : Solution : Apply the relevant hotfix referenced in the vendor's advisory. CVSS Base Score : 5.0 (CVSS2#AV:N/AC:L/Au:N/C:P/I:N/A:N) CVSS Temporal Score : 3.7 (CVSS2#E:U/RL:OF/RC:C) Public Exploit Available : false


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