#VU56297 Improper Authorization in Gutenberg Template Library & Redux Framework - CVE-2021-38312

Vulnerability identifier: #VU56297

Vulnerability risk: Medium

CVSSv4.0: 5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2021-38312

CWE-ID: CWE-285

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Gutenberg Template Library & Redux Framework
Web applications / Modules and components for CMS

Vendor: Redux.io

Description

The vulnerability allows a remote attacker to bypass authotization checks.

The vulnerability exists due to incorrect authorization check in the REST API endpoints registered under the "redux/v1/templates/" REST Route in "redux-templates/classes/class-api.php". A remote authenticated attacker can install arbitrary plugins from the WordPress repository and edit arbitrary posts.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Gutenberg Template Library & Redux Framework: 4.1.20 - 4.2.11

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External links
https://www.wordfence.com/vulnerability-advisories/#CVE-2021-39316

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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.