CVE-2026-5776 Email Encoder < 2.4.7 - Unauthenticated Stored XSS
Unauthenticated attackers can inject malicious scripts via email addresses in the Email Encoder WordPress plugin, leading to stored XSS.
- 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-2026-5776?
CVE-2026-5776 is a medium-severity cross-site scripting vulnerability in Unknown Email Encoder, published on 20 May 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 Email Encoder WordPress plugin before 2.4.7 does not escape email addresses retrieved via user input, allowing unauthenticated attackers to perform Stored XSS attacks
Which versions are affected by CVE-2026-5776?
How do I fix CVE-2026-5776?
No fix has been published for CVE-2026-5776 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-2026-5776 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-5776 exists.
Sources
Also known as GHSA-hmgx-5p26-ccf2.