The LambertGroup Famous - Responsive Image And Video Grid Gallery WordPress Plugin (versions up to 1.4) contains a reflected cross-site scripting vulnerability due to improper input neutralization during web page generation. This flaw allows attackers to inject malicious scripts that are reflected in the web page output, potentially impacting user sessions and data. The CVSS 3.1 base score is 7.1, indicating a high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability.

Successful exploitation of this reflected XSS vulnerability can lead to execution of arbitrary scripts in the context of the affected website, potentially allowing attackers to steal user credentials, hijack sessions, or perform actions on behalf of users. The CVSS vector indicates partial impact on confidentiality, integrity, and availability. There are no reports of active exploitation in the wild.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since no patch or official fix information is provided, users should monitor the LambertGroup vendor advisories for updates. Until a fix is available, consider applying temporary mitigations such as disabling or removing the vulnerable plugin if feasible, or implementing web application firewall (WAF) rules to detect and block reflected XSS attempts targeting this plugin.