CVE-2021-4388 : Security Advisory and Response
Learn about CVE-2021-4388 affecting Opal Estate WordPress plugin. Unauthenticated attackers can manipulate featured properties, posing WordPress site risks. Mitigation steps included.
A detailed overview of the CVE-2021-4388 vulnerability affecting the Opal Estate plugin for WordPress.
Understanding CVE-2021-4388
This section provides insights into the nature and impact of the CVE-2021-4388 vulnerability.
What is CVE-2021-4388?
The Opal Estate plugin for WordPress, up to version 1.6.11, is susceptible to featured property modifications due to missing capability checks, allowing unauthenticated attackers to manipulate featured properties.
The Impact of CVE-2021-4388
The vulnerability enables attackers to set and remove featured properties on the Opal Estate plugin, compromising the integrity and security of WordPress sites.
Technical Details of CVE-2021-4388
Explore the technical aspects and implications of the CVE-2021-4388 vulnerability.
Vulnerability Description
The flaw arises from the lack of proper capability validation in the opalestate_set_feature_property() and opalestate_remove_feature_property() functions, granting unauthorized users the ability to modify featured properties.
Affected Systems and Versions
The vulnerability affects Opal Estate plugin versions up to and including 1.6.11, exposing WordPress sites to potential exploitation.
Exploitation Mechanism
By exploiting this issue, unauthenticated attackers can manipulate featured properties on WordPress sites powered by the affected Opal Estate plugin.
Mitigation and Prevention
Discover essential steps to mitigate the risks posed by CVE-2021-4388.
Immediate Steps to Take
Website administrators are advised to update the Opal Estate plugin to version 1.6.12 or later to mitigate the vulnerability and enhance site security.
Long-Term Security Practices
Incorporate regular security assessments, implement robust access controls, and stay informed about plugin updates to bolster the overall security posture of WordPress sites.
Patching and Updates
Remaining vigilant about security patches and promptly applying updates can safeguard WordPress installations from known vulnerabilities like CVE-2021-4388.