---
id: CVE-2025-49912
title: >-
  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.
summary: >-
  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.
severity: medium
cvss: 5.9
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:L'
cwe:
  - CWE-79
published: '2025-10-22'
updated: '2026-10-08'
sourceUpdated: '2026-10-08T11:10:00.250'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2025-49912'
references:
  - url: >-
      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
    label: audit@patchstack.com
tags:
  - nvd
epss: 0.00287
epssPercentile: 0.19461
ingestedAt: '2026-10-08T11:31:27.500Z'
---

## Overview

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.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.