CVE-2021-34636 Explained : Impact and Mitigation
Discover the details of CVE-2021-34636 affecting Countdown and CountUp, WooCommerce Sales Timers plugin. Learn about the CSRF vulnerability, its impact, and mitigation steps.
A vulnerability has been discovered in the Countdown and CountUp, WooCommerce Sales Timers WordPress plugin, allowing for Cross-Site Request Forgery (CSRF) attacks. This CVE, with a CVSS base score of 8.8, poses a high risk with significant impacts on confidentiality, integrity, and availability.
Understanding CVE-2021-34636
This section will cover essential details about the CVE-2021-34636 vulnerability.
What is CVE-2021-34636?
The vulnerability in the Countdown and CountUp, WooCommerce Sales Timers WordPress plugin allows attackers to exploit a missing nonce check in the save_theme function. This security flaw enables malicious actors to inject arbitrary web scripts through CSRF attacks.
The Impact of CVE-2021-34636
The impact of CVE-2021-34636 is significant, with a base score of 8.8. It has a high severity rating, affecting confidentiality, integrity, and availability of the plugin.
Technical Details of CVE-2021-34636
In this section, we delve into the technical aspects of the CVE-2021-34636 vulnerability.
Vulnerability Description
The vulnerability arises due to a missing nonce check in the save_theme function of the ~/includes/admin/coundown_theme_page.php file, allowing for CSRF attacks.
Affected Systems and Versions
The affected product is the Countdown and CountUp, WooCommerce Sales Timers WordPress plugin, with versions up to and including 1.5.7.
Exploitation Mechanism
Attackers can exploit this vulnerability to perform CSRF attacks, injecting arbitrary web scripts and potentially leading to stored Cross-Site Scripting (XSS) threats.
Mitigation and Prevention
This section provides insights into mitigating the risks associated with CVE-2021-34636 and preventing similar vulnerabilities in the future.
Immediate Steps to Take
Users are advised to update the Countdown and CountUp, WooCommerce Sales Timers plugin to version 1.5.8 or newer to mitigate the CSRF vulnerability.
Long-Term Security Practices
Implementing secure coding practices, performing regular security audits, and staying informed about plugin updates can enhance the overall security posture.
Patching and Updates
Regularly check for plugin updates and apply patches promptly to address security vulnerabilities and protect against potential exploitation.