Medium severity · published Jun 9, 2023
CVE-2023-2087
Essential Blocks <= 4.0.6 - Cross-Site Request Forgery via save
4.3
CVSS
0.3%
EPSS
No
On KEV
Description
The Essential Blocks plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 4.0.6. This is due to missing or incorrect nonce validation on the save function. This makes it possible for unauthenticated attackers to change plugin settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 25% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
GE
Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns · wpdevteam
through 4.0.6 · source: vendor
EB
Essential Blocks · Wpdeveloper
through 4.0.6 · source: NVD
Affected product
GE
Gutenberg Essential Blocks – Page Builder for Gutenberg Blocks & Patterns
wpdevteam
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-2087
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-2087
Patch
https://plugins.trac.wordpress.org/browser/essential-blocks/tags/4.0.6/includes/Admin/Admin.php
Patch
https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2900595%40essential-blocks%2Ftrunk&old=2900029%40essential-blocks%2Ftrunk&sfp_email=&sfph_mail=#file2
Third Party Advisory
https://www.wordfence.com/threat-intel/vulnerabilities/id/d38d41c7-8786-4145-9591-3e24eff3b79c?source=cve
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