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CVE-2025-54589

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Date: July 31, 2025

Copyparty is a portable file server. In versions 1.18.6 and below, when accessing the recent uploads page at "/?ru", users can filter the results using an input field at the top. This field appends a filter parameter to the URL, which reflects its value directly into a "<script>" block without proper escaping, allowing for reflected Cross-Site Scripting (XSS) and can be exploited against both authenticated and unauthenticated users. This is fixed in version 1.18.7.

Severity Score

Severity Score

Weakness Type (CWE)

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CWE-79

Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

CWE-80

Top Fix

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Upgrade Version

Upgrade to version copyparty - 1.18.7;copyparty - 1.18.7;https://github.com/9001/copyparty.git - v1.18.7

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): LOW
Integrity (I): LOW
Availability (A): LOW

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