Arbitrary file upload in Comments – wpDiscuz plugin for WordPress



Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-434
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Comments - wpDiscuz
Web applications / Modules and components for CMS

Vendor gVectors Team (A. Chakhoyan, G. Zakaryan, H. Martirosyan)

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU32945

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: N/A

CWE-ID: CWE-434 - Unrestricted Upload of File with Dangerous Type

Exploit availability: No

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious file and execute it on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Comments - wpDiscuz: 7.0.0 - 7.0.4

CPE2.3 External links

http://wpvulndb.com/vulnerabilities/10333/
http://www.wordfence.com/blog/2020/07/critical-arbitrary-file-upload-vulnerability-patched-in-wpdiscuz-plugin/
http://plugins.trac.wordpress.org/changeset/2345429/wpdiscuz


Q & A

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.



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