CVE-2026-85303: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Magepeople inc. Booking and Rental Manager

This vulnerability (CVE-2026-85303) in Magepeople inc. Booking and Rental Manager is classified as CWE-79, indicating improper neutralization of input during web page generation that leads to stored cross-site scripting (XSS). The flaw allows attackers with low privileges and requiring user interaction to inject malicious scripts that can impact confidentiality, integrity, and availability. The affected software versions include all versions up to 2.7.7. No vendor advisory or patch information is currently provided, and no active exploitation has been reported.

Successful exploitation of this stored XSS vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected application, potentially leading to data disclosure, modification, or disruption of service. The CVSS vector indicates network attack vector, low attack complexity, low privileges required, and user interaction needed, with impacts on confidentiality, integrity, and availability rated as low to low to low respectively. However, the overall severity is medium.

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.