CVE-2025-49912: WordPress Email Subscription Popup plugin <= 1.2.26 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 5.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.3% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2025-10-22 · updated 2026-10-08
Weakness: CWE-79

Description

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.

Affected products

Nks Email Subscription Popup: through 1.2.26

References

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

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