Cross-site Scripting Vulnerability in Nks Email Subscription Popup Plugin
CVE-2025-49912

5.9MEDIUM

Key Information:

Vendor

WordPress
Status
Email Subscription Popup
Vendor
CVE Published:
22 October 2025

What is CVE-2025-49912?

The Nks Email Subscription Popup plugin for WordPress is susceptible to a Cross-site Scripting vulnerability that allows an attacker to inject malicious scripts into web pages. This flaw enables the potential storage of harmful scripts, which can be executed in the context of a user’s browser when they interact with the compromised plugin. The vulnerability impacts versions up to and including 1.2.26, highlighting the need for users to update and secure their installations to prevent exploitation.

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Deploy the Patch

Affected Version(s)

Email Subscription Popup <= n/a

References

https://patchstack.com/database/Wordpress/Plugin/email-su...
vdb-entry

CVSS V3.1

Score:
5.9
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Kim YunJi (Patchstack Alliance)
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