CVE-2021-24756 Explained : Impact and Mitigation
Learn about CVE-2021-24756 affecting WP System Log plugin versions prior to 1.0.21. Understand the impact, technical details, and steps to mitigate this Cross-Site Scripting vulnerability.
A detailed overview of CVE-2021-24756, a vulnerability in the WP System Log WordPress plugin.
Understanding CVE-2021-24756
This vulnerability, identified as CVE-2021-24756, affects versions of WP System Log plugin prior to 1.0.21. It poses a risk of Unauthenticated Stored Cross-Site Scripting attacks.
What is CVE-2021-24756?
The flaw in WP System Log plugin allows unauthenticated attackers to exploit the lack of sanitization in IP addresses retrieved from login requests. This enables them to execute Cross-Site Scripting attacks, potentially compromising admin users viewing the logs.
The Impact of CVE-2021-24756
The vulnerability in WP System Log plugin could lead to Cross-Site Scripting attacks, allowing malicious actors to inject and execute scripts within the context of the affected WordPress dashboard.
Technical Details of CVE-2021-24756
Explore more technical aspects of the CVE-2021-24756 vulnerability.
Vulnerability Description
The issue arises from the plugin's failure to properly sanitize, validate, and escape IP addresses obtained from login requests before displaying them in the admin dashboard.
Affected Systems and Versions
WP System Log versions prior to 1.0.21 are impacted by this vulnerability.
Exploitation Mechanism
By exploiting this flaw, unauthenticated attackers can leverage Cross-Site Scripting methods to inject malicious scripts that may compromise the security and integrity of admin accounts.
Mitigation and Prevention
Learn about the steps to mitigate and prevent CVE-2021-24756.
Immediate Steps to Take
Users are advised to update the WP System Log plugin to version 1.0.21 or above. Additionally, restricting access to the plugin's admin dashboard can help mitigate the risk.
Long-Term Security Practices
Implementing strict input validation and output sanitization practices in plugin development can prevent similar vulnerabilities in the future.
Patching and Updates
Regularly installing security updates and patches for all WordPress plugins and keeping them up to date is crucial to reducing the risk of exploitation.