CVE-2024-27960: WordPress Email Subscription Popup plugin <= 1.2.20 - Cross Site Scripting (XSS) vulnerability

Severity: medium (CVSS 6.1 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: 2024-03-17 · updated 2026-06-17
Weakness: CWE-79

Description

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in I Thirteen Web Solution Email Subscription Popup allows Stored XSS.This issue affects Email Subscription Popup: from n/a through 1.2.20.

Affected products

nik00726 Email Subscription Popup: before 1.2.21 — fixed in 1.2.21

How to fix

Upgrade to a fixed version: nik00726 Email Subscription Popup 1.2.21. Check the vendor advisory for mitigations.

References

https://patchstack.com/database/vulnerability/email-subscribe/wordpress-email-subscription-popup-plugin-1-2-20-cross-site-scripting-xss-vulnerability?_s_id=cve
https://patchstack.com/database/vulnerability/email-subscribe/wordpress-email-subscription-popup-plugin-1-2-20-cross-site-scripting-xss-vulnerability?_s_id=cve

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