CVE-2021-4373 : Security Advisory and Response
Learn about CVE-2021-4373, a high-severity vulnerability in the Better Search WordPress plugin, allowing unauthenticated attackers to perform unauthorized actions. Mitigation steps included.
A detailed overview of CVE-2021-4373 highlighting the vulnerability in the Better Search plugin for WordPress.
Understanding CVE-2021-4373
This section delves into what CVE-2021-4373 entails, including its impact and technical details.
What is CVE-2021-4373?
The Better Search plugin for WordPress is susceptible to Cross-Site Request Forgery in versions up to and including 2.5.2. This vulnerability allows unauthenticated attackers to manipulate settings through forged requests if they can deceive a site administrator into taking actions such as clicking on a link.
The Impact of CVE-2021-4373
The vulnerability poses a high risk, with a CVSSv3.1 base score of 8.8 (High severity). Attackers can potentially perform unauthorized actions and compromise the security and integrity of WordPress websites utilizing the affected plugin.
Technical Details of CVE-2021-4373
Explore the specific technical aspects of the vulnerability.
Vulnerability Description
The vulnerability in the Better Search plugin for WordPress allows for Cross-Site Request Forgery, enabling unauthenticated attackers to manipulate settings through crafted requests.
Affected Systems and Versions
The affected version range includes all versions up to and including 2.5.2 of the Better Search plugin for WordPress.
Exploitation Mechanism
Exploitation of this vulnerability involves tricking a site administrator into executing actions that can be leveraged by attackers through forged requests.
Mitigation and Prevention
Learn how to mitigate the risks associated with CVE-2021-4373 through immediate and long-term security measures.
Immediate Steps to Take
- Update the Better Search plugin to version 2.5.3 or above to prevent exploitation of this vulnerability.
- Educate site administrators about the risks of clicking on unverified links.
Long-Term Security Practices
Implement regular security audits and educate website administrators about best security practices to mitigate future risks.
Patching and Updates
Stay informed about security updates for WordPress plugins, and maintain a practice of promptly applying patches to prevent exploitation of known vulnerabilities.