CVE-2026-111848: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') in Dylan Kuhn Geo Mashup

The vulnerability identified as CVE-2026-111848 in Dylan Kuhn Geo Mashup is a reflected cross-site scripting (XSS) issue caused by improper neutralization of input during web page generation. This allows attackers to inject malicious scripts that execute in the context of the victim's browser session. The affected versions include all releases from the initial version up to 1.13.22. The CVSS v3.1 score is 7.1, indicating high severity with network attack vector, low attack complexity, no privileges required, user interaction required, and impacts on confidentiality, integrity, and availability.

Successful exploitation of this vulnerability could allow an attacker to execute arbitrary scripts in the context of the affected web application, potentially leading to data theft, session hijacking, or other malicious actions impacting confidentiality, integrity, and availability of the application and its users.

No explicit patch or remediation information is provided in the available data. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until a fix is available, users should exercise caution with untrusted input and consider implementing web application firewall rules or input validation as temporary mitigations.