CVE-2025-4172

MEDIUM 6.4

VerticalResponse Newsletter Widget <= 1.6 - Authenticated (Contributor+) Stored Cross-Site Scripting

CVSS Score

6.4

EPSS Score

0.0%

EPSS Percentile

0th

The VerticalResponse Newsletter Widget plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'verticalresponse' shortcode in all versions up to, and including, 1.6 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.

CWE	CWE-79
Vendor	katzwebdesign
Product	verticalresponse newsletter widget
Published	May 3, 2025
Last Updated	Apr 8, 2026

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CVSS v3 Breakdown

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

katzwebdesign / VerticalResponse Newsletter Widget

0 ≤ 1.6

References

NVD ↗ CVE.org ↗ EPSS Data ↗

wordfence.com: https://www.wordfence.com/threat-intel/vulnerabilities/id/0565cdf1-55fe-4676-8529-8c79be5e8b01?source=cve wordpress.org: https://wordpress.org/plugins/vertical-response-newsletter-widget/

Credits

Muhammad Yudha - DJ