CVE-2021-23209 : Exploit Details and Defense Strategies
Multiple Authenticated Persistent Cross-Site Scripting (XSS) vulnerabilities in WordPress AMP for WP – Accelerated Mobile Pages plugin (<= 1.0.77.32). Learn about the impact, affected versions, and mitigation steps.
WordPress AMP for WP – Accelerated Mobile Pages plugin <= 1.0.77.32 - Multiple Auth. Stored Cross-Site Scripting (XSS) vulnerabilities.
Understanding CVE-2021-23209
This CVE involves multiple authenticated (admin user role) persistent Cross-Site Scripting (XSS) vulnerabilities found in the AMP for WP – Accelerated Mobile Pages WordPress plugin version 1.0.77.32 and below.
What is CVE-2021-23209?
CVE-2021-23209 highlights the presence of stored XSS vulnerabilities in the WordPress AMP for WP – Accelerated Mobile Pages plugin, affecting versions up to 1.0.77.32.
The Impact of CVE-2021-23209
The impact of this CVE is rated as medium with a CVSSv3 base score of 4.8. It can be exploited by high-privileged admin users, leading to persistent XSS attacks.
Technical Details of CVE-2021-23209
Vulnerability Description
The vulnerability involves multiple authenticated, persistent XSS flaws that can be exploited by admin users.
Affected Systems and Versions
AMP for WP – Accelerated Mobile Pages WordPress plugin versions up to 1.0.77.32 are affected.
Exploitation Mechanism
High-privileged admin users can exploit the vulnerability to conduct persistent XSS attacks, potentially compromising the integrity of affected systems.
Mitigation and Prevention
Immediate Steps to Take
It is highly recommended to update the AMP for WP – Accelerated Mobile Pages WordPress plugin to version 1.0.77.33 or higher to mitigate the risk of exploitation.
Long-Term Security Practices
Regularly monitor for plugin updates and security advisories to ensure timely patching of vulnerabilities.
Patching and Updates
Stay informed about security patches and promptly apply updates to safeguard against potential security risks.