CVE-2026-27353

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 ThemeGoods Grand News grandnews allows Reflected XSS.This issue affects Grand News: from n/a through <= 3.4.3.

Analysis

Reflected cross-site scripting in ThemeGoods Grand News version 3.4.3 and earlier enables attackers to inject malicious scripts into web pages viewed by users, potentially allowing credential theft or session hijacking. The vulnerability requires user interaction to trigger but can be exploited remotely without authentication. …

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Remediation

Within 24 hours: Identify all affected Grand News installations and document version numbers; implement Web Application Firewall (WAF) rules to block XSS payloads on affected endpoints. Within 7 days: Disable Grand News plugin functionality if business-critical patches remain unavailable, or isolate affected instances to non-public environments. …

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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-2026-27353 vulnerability details – vuln.today
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