CVE-2025-49871

MEDIUM 5.9

WordPress Noptin plugin <= 3.8.7 - Cross Site Scripting (XSS) Vulnerability

CVSS Score

5.9

EPSS Score

0.0%

EPSS Percentile

0th

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Noptin Newsletter Team Noptin newsletter-optin-box allows Stored XSS.This issue affects Noptin: from n/a through <= 3.8.7.

CWE	CWE-79
Vendor	noptin newsletter team
Product	noptin
Published	Jun 17, 2025
Last Updated	Apr 28, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

Low

Affected Versions

Noptin Newsletter Team / Noptin

0 ≤ 3.8.7

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/newsletter-optin-box/vulnerability/wordpress-noptin-plugin-3-8-7-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

kmaron1n | Patchstack Bug Bounty Program