Critical severity · published Jan 15, 2024
CVE-2023-6623
Essential Blocks < 4.4.3 - Unauthenticated Local File Inclusion
9.8
CVSS
50.7%
EPSS
No
On KEV
Description
The Essential Blocks WordPress plugin before 4.4.3 does not prevent unauthenticated attackers from overwriting local variables when rendering templates over the REST API, which may lead to Local File Inclusion attacks.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)50.7% · higher than 99% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
EB
Essential Blocks ·
before 4.4.3 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-6623
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-6623
Exploit
https://wpscan.com/blog/file-inclusion-vulnerability-fixed-in-essential-blocks-4-4-3/
Exploit
https://wpscan.com/vulnerability/633c28e0-0c9e-4e68-9424-55c32789b41f
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