CVE-2021-24496 Explained : Impact and Mitigation
Learn about CVE-2021-24496 affecting Community Events plugin. Understand the impact, technical details, affected versions, and mitigation steps for this XSS vulnerability.
The Community Events WordPress plugin before version 1.4.8 is affected by a reflected Cross-Site Scripting vulnerability, allowing malicious attackers to execute scripts in the context of a logged-in administrator.
Understanding CVE-2021-24496
This CVE details a security vulnerability in the Community Events WordPress plugin that could be exploited for Cross-Site Scripting attacks.
What is CVE-2021-24496?
The CVE-2021-24496 vulnerability exists in the Community Events WordPress plugin before version 1.4.8, where user input is not properly validated, leading to a Cross-Site Scripting issue.
The Impact of CVE-2021-24496
Exploiting this vulnerability could allow an attacker to inject malicious scripts that would run in the context of an administrator, potentially compromising the website's security.
Technical Details of CVE-2021-24496
The following technical aspects are associated with the CVE-2021-24496 vulnerability.
Vulnerability Description
The vulnerability arises from the plugin's failure to sanitize the importrowscount and successimportcount GET parameters, enabling an attacker to inject and execute malicious scripts.
Affected Systems and Versions
- Product: Community Events
- Vendor: Unknown
- Versions Affected: < 1.4.8
Exploitation Mechanism
By exploiting the inadequate input validation of importrowscount and successimportcount parameters, attackers can craft malicious URLs to trigger the execution of unauthorized scripts.
Mitigation and Prevention
Protecting your system from CVE-2021-24496 requires immediate action and long-term security practices.
Immediate Steps to Take
- Update the Community Events WordPress plugin to version 1.4.8 or later to patch the vulnerability.
- Monitor for any suspicious activities on your website.
Long-Term Security Practices
- Regularly update all plugins and themes to their latest versions.
- Implement input validation and output sanitization in your code to prevent XSS vulnerabilities.
Patching and Updates
Stay informed about security advisories and apply patches promptly to ensure your website's safety.