Description
WordPress Plugin Modern Events Calendar Lite is prone to multiple vulnerabilities, including cross-site scripting and information disclosure vulnerabilities. Exploiting these issues could allow an attacker to execute arbitrary script code in the browser of an unsuspecting user in the context of the affected site, to steal cookie-based authentication credentials, or to obtain sensitive information that may help in launching further attacks. WordPress Plugin Modern Events Calendar Lite version 5.16.2 is vulnerable; prior versions may also be affected.
Remediation
Update to plugin version 5.16.6 or latest
References
https://sploitus.com/exploit?id=WPEX-ID:C7B1EBD6-3050-4725-9C87-0EA525F8FECC
https://drive.google.com/file/d/1lLEXDyPp4LcKoCOqYS7A-0Yg_pIQD-ND/view
https://sploitus.com/exploit?id=WPEX-ID:0F9BA284-5D7E-4092-8344-C68316B0146F
https://drive.google.com/file/d/1Cyy1Th5g1t9yXfvYGDrAFMgDP4USfv5c/view
https://plugins.svn.wordpress.org/modern-events-calendar-lite/trunk/readme.txt
Related Vulnerabilities
WordPress Plugin WP Statistics SQL Injection (12.0.7)
Drupal Core Cross-Site Scripting (8.0.0 - 9.2.21)
Jboss EAP Deserialization of Untrusted Data Vulnerability (CVE-2019-17267)
Squid Improper Input Validation Vulnerability (CVE-2020-8517)
Ruby on Rails Improper Input Validation Vulnerability (CVE-2013-3221)