CVE-2026-4303

| EUVD-2026-20437 MEDIUM
2026-04-08 Wordfence GHSA-4cxh-x4x5-vrrg
6.4
CVSS 3.1
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CVSS Vector

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

Lifecycle Timeline

3
Analysis Generated
Apr 08, 2026 - 10:00 vuln.today
EUVD ID Assigned
Apr 08, 2026 - 10:00 euvd
EUVD-2026-20437
CVE Published
Apr 08, 2026 - 09:25 nvd
MEDIUM 6.4

Tags

WordPress XSS

Description

The WP Visitor Statistics (Real Time Traffic) plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'wsm_showDayStatsGraph' shortcode in all versions up to, and including, 8.4 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Analysis

Stored Cross-Site Scripting in WP Visitor Statistics plugin versions up to 8.4 allows authenticated contributors and higher-privileged users to inject arbitrary JavaScript through the 'wsm_showDayStatsGraph' shortcode due to insufficient input sanitization and output escaping. Injected scripts execute in the context of any user accessing the affected page, potentially compromising site visitors and enabling account takeover or malware distribution. …

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Priority Score

32
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +32
POC: 0

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CVE-2026-4303 vulnerability details – vuln.today
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