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 Subscribe |
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
CVSSv3.1: 8.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: N/A
CWE-ID:
CWE-434 - Unrestricted Upload of File with Dangerous Type
Exploit availability: No
DescriptionThe 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.
MitigationInstall updates from vendor's website.
Vulnerable software versionsComments – wpDiscuz: 7.0.0 - 7.0.4
External linkshttp://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.
