CVE-2026-27508

| EUVD-2026-17127 MEDIUM
2026-03-30 VulnCheck
5.1
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/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
A
Scope
X

Lifecycle Timeline

4
Analysis Generated
Mar 30, 2026 - 17:15 vuln.today
EUVD ID Assigned
Mar 30, 2026 - 17:15 euvd
EUVD-2026-17127
Patch Released
Mar 30, 2026 - 17:15 nvd
Patch available
CVE Published
Mar 30, 2026 - 16:51 nvd
MEDIUM 5.1

Tags

XSS

Description

Smoothwall Express versions prior to 3.1 Update 13 contain a reflected cross-site scripting vulnerability in the /redirect.cgi endpoint due to improper sanitation of the url parameter. Attackers can craft malicious URLs with javascript: schemes that execute arbitrary JavaScript in victims' browsers when clicked through the unsanitized link.

Analysis

Reflected cross-site scripting (XSS) in Smoothwall Express versions before 3.1 Update 13 allows unauthenticated remote attackers to execute arbitrary JavaScript in users' browsers by crafting malicious URLs with javascript: schemes and delivering them through the unsanitized /redirect.cgi endpoint. The vulnerability requires user interaction (clicking a malicious link) and results in limited scope impact affecting user confidentiality and integrity. …

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Priority Score

26
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +26
POC: 0

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CVE-2026-27508 vulnerability details – vuln.today
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