#VU77762 Use of Hard-coded Cryptographic Key in EmbedPress – Gutenberg blocks for Google Docs, Google Sheets, Google Slides, Google Maps - CVE-2023-3371

Vulnerability identifier: #VU77762

Vulnerability risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-3371

CWE-ID: CWE-321

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
EmbedPress – Gutenberg blocks for Google Docs, Google Sheets, Google Slides, Google Maps
Web applications / Modules and components for CMS

Vendor: EmbedPress

Description

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a hardcoded encryption key in the "lock_content_form_handler" and "display_password_form" functions. A remote attacker can gain unauthorized access to sensitive information on the system.

Mitigation
Install updates from vendor's website.

Vulnerable software versions

EmbedPress – Gutenberg blocks for Google Docs, Google Sheets, Google Slides, Google Maps: 3.4.2 - 3.7.3

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External links
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L231
https://www.wordfence.com/threat-intel/vulnerabilities/id/c1033b4d-82a0-4484-aebf-f35d6a2a9a13?source=cve
https://plugins.trac.wordpress.org/changeset/2930523/embedpress#file28
https://plugins.trac.wordpress.org/changeset/2930523/embedpress#file10
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/EmbedPress/Includes/Classes/Helper.php#L278
https://plugins.trac.wordpress.org/browser/embedpress/tags/3.7.3/Gutenberg/block-backend/block-embedpress.php#L30

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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.