This vulnerability (CVE-2025-58265) in Stonehenge Creations Events Manager – OpenStreetMaps is a stored cross-site scripting (XSS) flaw caused by improper input neutralization during web page generation. It affects versions up to 4.2.1. An attacker can inject malicious scripts that are stored and later executed in the context of other users' browsers, potentially leading to limited confidentiality, integrity, and availability impacts. The CVSS 3.1 score is 6.5 with vector AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L, indicating network attack vector, low attack complexity, requiring low privileges and user interaction, with a scope change and partial impacts on confidentiality, integrity, and availability. No patch or vendor advisory information is currently available.

Successful exploitation could allow an attacker to execute arbitrary scripts in the context of affected users, potentially leading to limited disclosure of information, modification of data, or disruption of service. The impact is rated medium severity based on the CVSS score of 6.5. There are no known active exploits reported at this time.

Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is available, users should exercise caution with input handling and consider implementing web application firewall (WAF) rules to detect and block XSS payloads where possible. Monitor vendor channels for updates and apply patches promptly once released.