This vulnerability (CVE-2024-29096) affects the Matt Manning MJM Clinic product through version 1.1.22 and is classified as CWE-79 (Improper Neutralization of Input During Web Page Generation, commonly known as Cross-site Scripting). The CVSS 3.1 base score is 6.5, reflecting a network attack vector with low attack complexity, requiring low privileges and user interaction, and resulting in partial impact to confidentiality, integrity, and availability. The vulnerability allows an attacker to inject malicious scripts into web pages generated by the application, potentially leading to unauthorized actions or data exposure within the context of an authenticated user session. No patch or official remediation level has been published by the vendor, and no known exploits have been reported.

Successful exploitation of this XSS vulnerability could allow an attacker to execute arbitrary scripts in the context of a victim's browser session, potentially leading to partial disclosure of sensitive information, modification of data, or disruption of application availability. The CVSS vector indicates that the attack requires user interaction and some privileges but can be executed remotely over the network. No known active exploitation has been reported.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should apply standard XSS mitigations such as input validation and output encoding where possible. Monitor vendor channels for updates and apply patches promptly once available.