Arbitrary file upload in Divi and Extra themes for WordPress



Published: 2020-08-05
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-434
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Divi
Web applications / Modules and components for CMS

Extra
Web applications / Modules and components for CMS

Vendor Elegant Themes

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Arbitrary file upload

EUVDB-ID: #VU34055

Risk: Medium

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:L/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

Description

The vulnerability allows a remote attacker to compromise vulnerable system.

The vulnerability exists due to insufficient validation of file during file upload within the "import" function in the "portability.php" file. A remote authenticated attacker can upload a malicious file and execute it on the server.

Mitigation

Install updates from vendor's website.

Vulnerable software versions

Divi: 3.0 - 4.5.2

Extra: 2.0 - 4.5.2


CPE2.3 External links

http://wpvulndb.com/vulnerabilities/10342/
http://www.wordfence.com/blog/2020/08/critical-vulnerability-exposes-over-700000-sites-using-divi-extra-and-divi-builder/
http://us7.campaign-archive.com/?u=9ae7aa91c578052b052b864d6&id=cb6b4b1ed3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user 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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