EUVD-2026-23682

| CVE-2026-6559 MEDIUM
2026-04-19 VulDB GHSA-x8cm-r99c-gv26
XSS
5.3
CVSS 4.0
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CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
P
Scope
X

Lifecycle Timeline

2
CVSS Changed
Apr 19, 2026 - 06:22 NVD
4.3 (MEDIUM) 5.3 (MEDIUM)
Analysis Generated
Apr 19, 2026 - 05:47 vuln.today

DescriptionNVD

A weakness has been identified in Wavlink WL-WN579A3 220323. This affects the function sub_401F80 of the file /cgi-bin/login.cgi. This manipulation of the argument Hostname causes cross site scripting. Remote exploitation of the attack is possible. Upgrading the affected component is recommended. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.

AnalysisAI

Stored cross-site scripting (XSS) in Wavlink WL-WN579A3 wireless router allows remote unauthenticated attackers to inject malicious scripts via the Hostname parameter in /cgi-bin/login.cgi, affecting all firmware versions prior to 2026-03-10. The vulnerability requires user interaction (UI:R) to trigger payload execution in a victim's browser, limiting direct remote code execution but enabling credential theft, session hijacking, or malware distribution. …

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EUVD-2026-23682 vulnerability details – vuln.today
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