CVE-2021-25049 : Exploit Details and Defense Strategies

The Mobile Events Manager WordPress plugin before 1.4.4 is vulnerable to stored Cross-Site Scripting attacks due to inadequate sanitization of settings.

Understanding CVE-2021-25049

This CVE highlights a security flaw in the Mobile Events Manager WordPress plugin that allows high privilege users to execute XSS attacks.

What is CVE-2021-25049?

The CVE-2021-25049 vulnerability exists in versions of the Mobile Events Manager plugin prior to 1.4.4, enabling attackers to exploit Cross-Site Scripting flaws.

The Impact of CVE-2021-25049

This vulnerability permits high privilege users to carry out XSS attacks even when the unfiltered_html capability is disabled, compromising the security of the WordPress site.

Technical Details of CVE-2021-25049

The following technical details outline the specifics of the CVE.

Vulnerability Description

The Mobile Events Manager plugin does not properly sanitize and escape certain settings, creating an opening for malicious users to conduct XSS attacks.

Affected Systems and Versions

Systems running Mobile Events Manager versions earlier than 1.4.4 are susceptible to this stored Cross-Site Scripting vulnerability.

Exploitation Mechanism

Attackers can exploit this vulnerability by injecting malicious scripts into the plugin's settings, which are not adequately sanitized.

Mitigation and Prevention

Taking immediate actions to address and prevent the CVE is crucial for maintaining WordPress site security.

Immediate Steps to Take

Website administrators should update the Mobile Events Manager plugin to version 1.4.4 or later to mitigate the risk of XSS attacks.

Long-Term Security Practices

Regularly updating plugins and maintaining strong input validation practices can enhance the overall security posture of WordPress sites.

Patching and Updates

Staying vigilant for plugin updates and promptly applying patches is vital in safeguarding WordPress websites against known vulnerabilities.