CVE-2026-27948

MEDIUM
2026-02-26 [email protected] GHSA-62cr-6wp5-q43h
5.4
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

Lifecycle Timeline

3
Analysis Generated
Mar 12, 2026 - 21:55 vuln.today
Patch Released
Feb 28, 2026 - 00:56 nvd
Patch available
CVE Published
Feb 26, 2026 - 02:16 nvd
MEDIUM 5.4

Tags

XSS Copyparty

Description

Copyparty is a portable file server. In versions prior to 1.20.9, an XSS allows for reflected cross-site scripting via URL-parameter `?setck=...`. Version 1.20.9 fixes the issue.

Analysis

Reflected XSS in Copyparty before version 1.20.9 allows unauthenticated attackers to inject malicious scripts through the setck URL parameter, potentially enabling session hijacking or credential theft from affected users. The vulnerability requires user interaction to click a crafted link but can be exploited remotely without authentication. …

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Remediation

Within 30 days: Identify affected systems running versions and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

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Priority Score

27
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +27
POC: 0

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CVE-2026-27948 vulnerability details – vuln.today
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