What the vulnerability does
01Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Tan Nguyen Instant Locations instant-locations allows Stored XSS.This issue affects Instant Locations: from n/a through <= 1.0.
Explanation of Vulnerability in Simple Terms
02Summary
Instant Locations versions 1.0 and earlier contain a cross-site scripting (XSS) vulnerability that allows an authenticated administrator to inject malicious scripts. The vulnerability requires user interaction—typically clicking a crafted link—and can affect other users' sessions. An attacker with high-level privileges can inject code that executes in victims' browsers, potentially stealing session data or performing actions on their behalf.
What an attacker can do
03Attacker Capabilities
Inject malicious scripts that execute in other users' browsers when they visit a crafted page.
Potential impact on your site
04Site Impact
Administrators can be tricked into executing scripts that compromise other admin or user sessions.
Conditions required to exploit
05Prerequisites
Administrator account access; victim must click a malicious link or visit an attacker-controlled page.
Key dates
06Disclosure timeline
September 5, 2025
CVE published
April 28, 2026
Record updated