CVE-2026-27375

HIGH
2026-03-05 [email protected]
7.1
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

2
Analysis Generated
Mar 12, 2026 - 22:06 vuln.today
CVE Published
Mar 05, 2026 - 06:16 nvd
HIGH 7.1

Tags

XSS

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in JanStudio Gecko gecko allows Reflected XSS.This issue affects Gecko: from n/a through <= 1.9.8.

Analysis

JanStudio Gecko version 1.9.8 and earlier contain a reflected cross-site scripting (XSS) vulnerability that allows unauthenticated remote attackers to inject malicious scripts through improper input validation during web page generation. Successful exploitation requires user interaction and can lead to unauthorized access to sensitive information, data modification, or service disruption. …

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Remediation

Within 24 hours: Identify all systems running Gecko and assess user-facing exposure; notify stakeholders of the vulnerability. Within 7 days: Implement WAF rules to block malicious XSS payloads, disable Gecko if not business-critical, or restrict access to authenticated users only. …

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Priority Score

36
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +36
POC: 0

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CVE-2026-27375 vulnerability details – vuln.today
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