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Parse Server Reflected Cross-Site Scripting Vulnerability in Password Reset and Email Verification Pages

Vulnerability

A reflected cross-site scripting vulnerability has been identified in Parse Server versions prior to 8.6.1 and 9.1.0-alpha.3. This issue occurs in the password reset and email verification HTML pages, where user-controlled values are not properly escaped, allowing for the injection of malicious scripts.

Impact

Exploitation of this vulnerability allows for reflected cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users can upgrade to Parse Server versions 8.6.1 or 9.1.0-alpha.3 to address this vulnerability.

Added: Dec 16, 2025, 1:17 AM
Updated: Dec 16, 2025, 1:17 AM

Vulnerability Rating

Custom Algorithm
spread
6.4
impact
1.7
exploitability
6.5
remediation
7.7
relevance
1.6
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.