CVE-2026-14331 Subscribe2 < 10.46 - Reflected XSS via email Parameter
An attacker can execute arbitrary JavaScript in the browser of an unauthenticated visitor via a crafted link in the Subscribe2 WordPress plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-14331?
CVE-2026-14331 is a medium-severity cross-site scripting vulnerability in Unknown Subscribe2, published on 7 Aug 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The Subscribe2 WordPress plugin before 10.46 does not properly escape a user-supplied value before reflecting it into a public subscription form, leading to Reflected Cross-Site Scripting that executes in the browser of an unauthenticated visitor who interacts with the form through a crafted link.
Weakness: CWE-79
Which versions are affected by CVE-2026-14331?
How do I fix CVE-2026-14331?
No fix has been published for CVE-2026-14331 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-2026-14331 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-14331 exists.
Sources
Also known as GHSA-m3cj-4969-qh2q.