5.3
MEDIUM
CVE-2021-4388
Opal Estate Plugin for WordPress Unauthenticated Remote Feature Property Manipulation
Description

The Opal Estate plugin for WordPress is vulnerable to featured property modifications in versions up to, and including, 1.6.11. This is due to missing capability checks 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.

INFO

Published Date :

July 1, 2023, 5:15 a.m.

Last Modified :

Nov. 7, 2023, 3:40 a.m.

Remotely Exploitable :

Yes !

Impact Score :

1.4

Exploitability Score :

3.9
Affected Products

The following products are affected by CVE-2021-4388 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Wpopal opal_estate
References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2021-4388.

URL Resource
https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ Exploit Third Party Advisory
https://plugins.trac.wordpress.org/browser/opal-estate/trunk/inc/ajax-functions.php#L177 Not Applicable
https://www.wordfence.com/threat-intel/vulnerabilities/id/5ce729a2-a106-45ab-b96c-cfe75246def7?source=cve Third Party Advisory

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2021-4388 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2021-4388 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    May. 14, 2024

    Action Type Old Value New Value
  • CVE Modified by [email protected]

    Nov. 07, 2023

    Action Type Old Value New Value
    Removed CWE Wordfence CWE-862
  • Initial Analysis by [email protected]

    Jul. 07, 2023

    Action Type Old Value New Value
    Added CVSS V3.1 NIST AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
    Changed Reference Type https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ No Types Assigned https://blog.nintechnet.com/multiple-wordpress-plugins-fixed-csrf-vulnerabilities-part-5/ Exploit, Third Party Advisory
    Changed Reference Type https://plugins.trac.wordpress.org/browser/opal-estate/trunk/inc/ajax-functions.php#L177 No Types Assigned https://plugins.trac.wordpress.org/browser/opal-estate/trunk/inc/ajax-functions.php#L177 Not Applicable
    Changed Reference Type https://www.wordfence.com/threat-intel/vulnerabilities/id/5ce729a2-a106-45ab-b96c-cfe75246def7?source=cve No Types Assigned https://www.wordfence.com/threat-intel/vulnerabilities/id/5ce729a2-a106-45ab-b96c-cfe75246def7?source=cve Third Party Advisory
    Added CWE NIST CWE-862
    Added CPE Configuration OR *cpe:2.3:a:wpopal:opal_estate:*:*:*:*:*:wordpress:*:* versions up to (including) 1.6.11
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2021-4388 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2021-4388 weaknesses.

Exploit Prediction

EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.

0.11 }} 0.01%

score

0.44391

percentile

CVSS31 - Vulnerability Scoring System
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability