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CVE-2023-2087

Essential Blocks <= 4.0.6 - Cross-Site Request Forgery via save

MEDIUM
4.3
CVSS Score
Published: June 9, 2023 at 05:33 AM UTC
Updated: June 17, 2026 at 05:51 AM UTC
2 products affected across 2 vendorsEssential BlocksEssential Blocks

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Severity
MEDIUM4.3
Exploit prediction
EPSS 0.3%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Essential Blocks· Wpdeveloperwordpress-plugin
95%
v ≤ 4.0.6
Essential Blocks· Wpdevteamwordpress-plugin
60%
v ≤ 4.0.6

References (3)

Patch
Source: [email protected]
https://plugins.trac.wordpress.org/browser/essential-blocks/tags/4.0.6/includes/Admin/Admin.php
Patch
Source: [email protected]
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
Source: [email protected]
https://www.wordfence.com/threat-intel/vulnerabilities/id/d38d41c7-8786-4145-9591-3e24eff3b79c?source=cve

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

4.3MEDIUMWordfence
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-352

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