CVE-2021-24294 : Exploit Details and Defense Strategies
Learn about CVE-2021-24294, a cross-site scripting (XSS) vulnerability in DSGVO All in one for WP WordPress plugin before 4.0 allowing unauthorized access to create rogue administrator accounts.
A vulnerability in the DSGVO All in one for WP WordPress plugin before version 4.0 could allow attackers to execute unauthorized cross-site scripting (XSS) attacks which may lead to the creation of rogue administrator accounts.
Understanding CVE-2021-24294
This CVE involves an unauthenticated stored cross-site scripting (XSS) issue in the DSGVO All in one for WP WordPress plugin.
What is CVE-2021-24294?
The vulnerability exists in the dsgvoaio_write_log AJAX action of the plugin, allowing unauthenticated attackers to exploit XSS to create unauthorized administrator accounts.
The Impact of CVE-2021-24294
This vulnerability could be exploited by malicious actors to gain unauthorized access by injecting XSS payloads leading to the creation of rogue administrator accounts.
Technical Details of CVE-2021-24294
This section will cover the specifics of the vulnerability, affected systems, and how the exploitation takes place.
Vulnerability Description
The dsgvoaio_write_log AJAX action in DSGVO All in one for WP plugin before 4.0 fails to sanitize some POST parameters, enabling attackers to execute XSS attacks.
Affected Systems and Versions
The vulnerability affects versions prior to 4.0 of the DSGVO All in one for WP WordPress plugin.
Exploitation Mechanism
By submitting malicious XSS payloads through the Log page in the administrator dashboard, attackers can trigger the creation of a rogue administrator account when logs are viewed.
Mitigation and Prevention
To prevent exploitation of CVE-2021-24294, immediate actions and long-term security practices are crucial.
Immediate Steps to Take
Users should update the DSGVO All in one for WP plugin to version 4.0 or higher to mitigate the risk of unauthorized access.
Long-Term Security Practices
Implement web application firewalls (WAFs) and regularly monitor and audit user input to prevent XSS vulnerabilities.
Patching and Updates
Stay updated on security advisories and apply patches promptly to address known vulnerabilities.