Disqus Comment System up to 2.39 upgrade.php step cross site scripting

Summaryinfo

A vulnerability categorized as problematic has been discovered in Disqus Comment System up to 2.39. This affects an unknown part of the file upgrade.php. Executing a manipulation of the argument step can lead to cross site scripting. This vulnerability is handled as CVE-2014-5345. The attack can be executed remotely. Additionally, an exploit exists. It is advisable to upgrade the affected component.

Detailsinfo

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 and also a public exploit are known. This vulnerability is assigned to T1059.007 by the MITRE ATT&CK project.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. 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 databases at Exploit-DB (34336) and SecurityFocus (BID 69205†). Entry connected to this vulnerability is available at VDB-70668. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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

• 🔍
• 🔍
• 🔍

CPE 2.2info

• 🔍
• 🔍
• 🔍

CVSSv4info

CVSSv3info

CVSSv2info

Exploitinginfo

Threat Intelligenceinfo

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Entryinfo

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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