This vulnerability (CVE-2026-22349) affects the linux4me2 Menu In Post plugin through version 1.4.1. It is a DOM-based cross-site scripting (XSS) flaw caused by improper neutralization of input during web page generation. The CVSS 3.1 score is 6.5 (medium severity), with an attack vector of network, low attack complexity, requiring low privileges and user interaction, and impacts on confidentiality, integrity, and availability. No patch or vendor advisory is provided in the available data.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to limited disclosure of information, modification of data, or disruption of service. The impact is rated medium based on the CVSS score and the nature of DOM-based XSS.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should consider applying input validation or output encoding workarounds if feasible. Monitor vendor channels for updates and apply patches promptly once released.