Vulnerability identifier: #VU29179
Vulnerability risk: High
CVSSv3.1: 8.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:P/RL:O/RC:C]
CVE-ID:
CWE-ID:
CWE-89
Exploitation vector: Network
Exploit availability: Yes
Vulnerable software:
Comments – wpDiscuz
Web applications /
Modules and components for CMS
Vendor: gVectors Team (A. Chakhoyan, G. Zakaryan, H. Martirosyan)
Description
The vulnerability allows a remote attacker to execute arbitrary SQL queries in database.
The vulnerability exists due to insufficient sanitization of user-supplied data passed via the "order" parameter of a "wpdLoadMoreComments" request. A remote attacker can send a specially crafted request to the affected application and execute arbitrary SQL commands within the application database.
Successful exploitation of this vulnerability may allow a remote attacker to read, delete, modify data in database and gain complete control over the affected application.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Comments – wpDiscuz: 1.0.0 - 5.3.5
External links
http://plugins.trac.wordpress.org/browser/wpdiscuz/tags/5.3.6
http://plugins.trac.wordpress.org/changeset/2323200
http://wordpress.org/plugins/wpdiscuz/#developers
http://wpdiscuz.com/community/news/security-vulnerability-issue-in-5-3-5-please-udate/
Can this vulnerability be exploited remotely?
Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.
Is there known malware, which exploits this vulnerability?
No. We are not aware of malware exploiting this vulnerability. However, proof of concept for this vulnerability is available.