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Severity
Medium
Analysis Summary
CVE-2021-36828
WP Maintenance plugin for WordPress is vulnerable to cross-site scripting, caused by improper validation of user-supplied input. A remote authenticated attacker could exploit this vulnerability using to inject malicious script into a Web page which would be executed in a victim’s Web browser within the security context of the hosting Web site, once the page is viewed. An attacker could use this vulnerability to steal the victim’s cookie-based authentication credentials.
Impact
Cross-Site Scripting
Indicators Of Compromise
CVE
CVE-2021-36828
Affected Vendors
WordPress
Affected Products
- WordPress WP Maintenance plugin for WordPress 5.0.6
- WordPress WP Maintenance plugin for WordPress 6.0.4
- WordPress WP Maintenance plugin for WordPress 6.0.3
Remediation
Upgrade to the latest version of WP Maintenance plugin for WordPress, available from the WordPress Plugin Directory.