Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion
CVE-2023-6623

9.8CRITICAL

Key Information:

Vendor
Wordpress
Status
Essential Blocks
Vendor
CVE Published:
15 January 2024

Badges

👾 Exploit Exists🟡 Public PoC🟣 EPSS 88%

Summary

The Essential Blocks WordPress plugin, prior to version 4.4.3, contains a vulnerability that enables unauthenticated attackers to exploit the REST API for overwriting local variables during template rendering. This weakness may allow attackers to conduct Local File Inclusion attacks, thereby compromising the integrity and confidentiality of the server. Site owners utilizing this plugin are advised to upgrade to the latest version to mitigate associated risks.

Affected Version(s)

Essential Blocks 0 < 4.4.3

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2023-6623 - Proof of Concept

References

https://wpscan.com/vulnerability/633c28e0-0c9e-4e68-9424-...
exploitvdb-entrytechnical-description
https://wpscan.com/blog/file-inclusion-vulnerability-fixe...

EPSS Score

88% chance of being exploited in the next 30 days.

CVSS V3.1

Score:
9.8
Severity:
CRITICAL
Confidentiality:
High
Integrity:
High
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

Marc Montpas
WPScan
.