EUVD-2026-20101

| CVE-2026-3142 MEDIUM
2026-04-08 Wordfence GHSA-3563-xg9w-653g
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
EUVD ID Assigned
Apr 08, 2026 - 07:00 euvd
EUVD-2026-20101
Analysis Generated
Apr 08, 2026 - 07:00 vuln.today
CVE Published
Apr 08, 2026 - 06:43 nvd
MEDIUM 6.4

Tags

WordPress XSS

Description

The Pinterest Site Verification plugin using Meta Tag plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'post_var' parameter in versions up to, and including, 1.8 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with subscriber-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 Pinterest Site Verification Plugin Using Meta Tag for WordPress up to version 1.8 allows authenticated attackers with subscriber-level access to inject arbitrary JavaScript via the 'post_var' parameter due to insufficient input sanitization and output escaping. The vulnerability has a CVSS score of 6.4 with cross-site scope, enabling persistent script injection that executes in the browsers of any user visiting affected pages. …

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Priority Score

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

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EUVD-2026-20101 vulnerability details – vuln.today
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