CVE-2025-49912 WordPress Email Subscription Popup plugin <= 1.2.26 - Cross Site Scripting (XSS) vulnerability
An attacker can inject malicious scripts into the Email Subscription Popup plugin, potentially compromising user sessions or site integrity.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-49912?
CVE-2025-49912 is a medium-severity cross-site scripting vulnerability in Nks Email Subscription Popup, published on 22 Oct 2025. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official 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.
Weakness: CWE-79
Which versions are affected by CVE-2025-49912?
How do I fix CVE-2025-49912?
No fix has been published for CVE-2025-49912 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2025-49912 being exploited?
There is no known exploitation of CVE-2025-49912 in the wild and no public exploit code.
Sources
Also known as GHSA-qwgv-86hv-c56h.