This vulnerability in the IGIT Related Posts With Thumb Image After Posts plugin (version ≤ 4.5.3) allows stored cross-site scripting due to improper input neutralization during web page generation. An attacker with low privileges can inject malicious scripts that execute in the context of other users, potentially leading to confidentiality, integrity, and availability impacts. The CVSS 3.1 vector indicates network attack vector, low attack complexity, low privileges required, user interaction required, and scope changed with low impact on confidentiality, integrity, and availability.

Successful exploitation can lead to stored XSS attacks, which may allow attackers to execute arbitrary scripts in the context of affected users. This can result in data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability. The impact is rated as medium severity with limited privileges and user interaction required.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider disabling or restricting access to the affected plugin to mitigate risk. Monitor vendor channels for updates and apply patches promptly once released.