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Halo File Upload Vulnerability Allowing Bypass of File Type Detection

Vulnerability

A vulnerability in Halo versions prior to 2.20.13 allows users to bypass file type detection and upload malicious files, including .exe and .html files. The uploaded .html files can exploit stored cross-site scripting (XSS) vulnerabilities. This issue has been addressed in version 2.20.13.

Impact

Exploitation of this vulnerability could lead to the upload of harmful files, with .html files potentially causing stored cross-site scripting issues.

Remediation

Users can upgrade to Halo version 2.20.13 or later to address this vulnerability.

Added: Sep 9, 2025, 9:42 PM
Updated: Sep 9, 2025, 9:42 PM

Vulnerability Rating

Custom Algorithm
spread
5.4
impact
1.7
exploitability
4.4
remediation
7.7
relevance
0.5
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.