CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L
Lifecycle Timeline
3Tags
Description
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in toocheke Toocheke Companion toocheke-companion allows DOM-Based XSS.This issue affects Toocheke Companion: from n/a through <= 1.194.
Analysis
A DOM-based Cross-Site Scripting (XSS) vulnerability exists in Toocheke Companion browser extension versions through 1.194, allowing authenticated attackers to inject malicious scripts that execute in the context of a user's web session. An attacker with login credentials can craft malicious input that bypasses input sanitization during web page generation, enabling session hijacking, credential theft, or malware distribution. …
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Remediation
Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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EUVD-2026-11920