CVE-2021-4387

4.3 MEDIUM
Published: July 01, 2023 Modified: April 08, 2026
View on NVD

Description

The Opal Estate plugin for WordPress is vulnerable to Cross-Site Request Forgery in versions up to, and including, 1.6.11. This is due to missing or incorrect nonce validation on the opalestate_set_feature_property() and opalestate_remove_feature_property() functions. This makes it possible for unauthenticated attackers to set and remove featured properties via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
Source: security@wordfence.com
Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/opal-estate/trunk/inc/ajax-functions.php#L177
Source: security@wordfence.com
Not Applicable
https://www.wordfence.com/threat-intel/vulnerabilities/id/2645899c-2b6b-48bd-8f33-2a837a951c5e?source=cve
Source: security@wordfence.com
Third Party Advisory
https://blog.nintechnet.com/25-wordpress-plugins-vulnerable-to-csrf-attacks/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.nintechnet.com/more-wordpress-plugins-and-themes-vulnerable-to-csrf-attacks/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-1/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-2/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-3/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-4/
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/opal-estate/trunk/inc/ajax-functions.php#L177
Source: af854a3a-2127-422b-91ae-364da2661108
Not Applicable
https://www.wordfence.com/threat-intel/vulnerabilities/id/2645899c-2b6b-48bd-8f33-2a837a951c5e?source=cve
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

18 reference(s) from NVD

Quick Stats

CVSS v3 Score
4.3 / 10.0
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

CWE-352

Affected Vendors

wpopal

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