CVE-2025-49912

MEDIUM 5.9

WordPress Email Subscription Popup plugin <= 1.2.26 - 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 Nks Email Subscription Popup email-subscribe allows Stored XSS.This issue affects Email Subscription Popup: from n/a through <= 1.2.26.

CWE	CWE-79
Vendor	nks
Product	email subscription popup
Published	Oct 22, 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

Nks / Email Subscription Popup

0 ≤ 1.2.26

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/Wordpress/Plugin/email-subscribe/vulnerability/wordpress-email-subscription-popup-plugin-1-2-26-cross-site-scripting-xss-vulnerability?_s_id=cve

Credits

Kim YunJi | Patchstack Bug Bounty Program