CVE-2021-24124 : Exploit Details and Defense Strategies
Learn about CVE-2021-24124 affecting WP Shieldon plugin <=1.6.3. Unauthenticated Cross-Site Scripting (XSS) vulnerability leads to privileged escalation. Take immediate steps to patch and secure your website.
WordPress plugin WP Shieldon version 1.6.3 and below is vulnerable to Unauthenticated Cross-Site Scripting (XSS). This CVE poses a risk of privileged escalation.
Understanding CVE-2021-24124
This CVE concerns the presence of Unvalidated input and lack of output encoding in WP Shieldon version 1.6.3 and below, leading to Unauthenticated Reflected Cross-Site Scripting (XSS) when the CAPTCHA page is shown.
What is CVE-2021-24124?
CVE-2021-24124 is a security vulnerability in the WP Shieldon WordPress plugin versions 1.6.3 and below, allowing unauthenticated attackers to execute Cross-Site Scripting attacks, potentially leading to privileged escalation.
The Impact of CVE-2021-24124
The impact of CVE-2021-24124 is the potential for unauthenticated attackers to exploit the XSS vulnerability, compromising the security of affected websites and potentially escalating their privileges.
Technical Details of CVE-2021-24124
The technical details of this CVE include:
Vulnerability Description
The vulnerability arises from unvalidated input and lack of output encoding in the WP Shieldon WordPress plugin, version 1.6.3 and below, enabling unauthenticated attackers to trigger Cross-Site Scripting attacks.
Affected Systems and Versions
WP Shieldon version 1.6.3 and below are affected by this vulnerability.
Exploitation Mechanism
Exploitation of this vulnerability occurs when the CAPTCHA page is displayed, allowing unauthenticated attackers to execute Reflected Cross-Site Scripting (XSS) attacks.
Mitigation and Prevention
To mitigate the risks associated with CVE-2021-24124, follow these steps:
Immediate Steps to Take
Immediately update WP Shieldon to the latest version and implement additional security measures to protect against XSS attacks.
Long-Term Security Practices
Regularly monitor for security updates, conduct security audits, and educate users on safe browsing practices to enhance overall website security.
Patching and Updates
Ensure timely installation of security patches and updates provided by WP Shieldon to address known vulnerabilities and enhance the security posture of your WordPress websites.