A vulnerability was found in Disqus Comment System up to 2.39. It has been declared as problematic. This vulnerability affects an unknown functionality of the file upgrade.php. The manipulation of the argument step with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Cross-site scripting (XSS) vulnerability in upgrade.php in the Disqus Comment System plugin before 2.76 for WordPress allows remote attackers to inject arbitrary web script or HTML via the step parameter.

The weakness was released 08/19/2014 (Website). The advisory is available at wordpress.org. This vulnerability was named CVE-2014-5345 since 08/19/2014. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

By approaching the search of inurl:upgrade.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.40 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 69205†). Entry connected to this vulnerability is available at VDB-70668.

Productinfo

Vendor

• Disqus

Name

• Comment System

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39

CPE 2.3info

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CPE 2.2info

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