CVE-2025-54589 - CVE House
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Status published Medium CVE-2025-54589

copyparty Reflected XSS via Filter Parameter

Vulnerability Description

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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2025-58753
copyparty: Sharing a single file does not fully restrict access to other files in source folder
Medium 5.3
CVE-2025-54796
Copyparty is vulnerable to Regex Denial of Service (ReDoS) attacks through "Recent Uploads" page
High 7.5
CVE-2025-54423
copyparty has a DOM-Based XSS vulnerability when displaying multimedia metadata
Medium 5.4
CVE-2025-27145
copyparty renders unsanitized filenames as HTML when user uploads empty files
Low 3.6
CVE-2023-38501
copyparty vulnerable to reflected cross-site scripting via k304 parameter
Medium 6.3

Affected Vendor

Affected Software

copyparty
Vulnerable Versions:
< 1.18.7

Timeline

Official Publish: July 31st, 2025
Last Modified: July 31st, 2025
Added to House: July 22nd, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L

Weaknesses (CWE)

CWE-79 CWE-80

MITRE ATT&CK TTPs

T1189 Drive-by Compromise
Initial Access
T1059.007 JavaScript
Execution
T1539 Steal Web Session Cookie
Collection
T1213 Data from Information Repositories
Collection
T1567 Exfiltration Over Web Service
Exfiltration
T1491.001 Defacement
Impact
T1059 Command and Scripting Interpreter
Execution
T1552 Unsecured Credentials
Credential Access
T1071 Application Layer Protocol
Command and Control
T1565 Data Manipulation
Impact