CVE-2026-0673 Element Pack Addons for Elementor <= 8.3.15 - Unauthenticated SMTP Header Injection
Unauthenticated attackers can inject arbitrary email headers into contact form emails via insufficient input sanitization in the Element Pack Addons plugin.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-0673?
CVE-2026-0673 is a medium-severity vulnerability in bdthemes Element Pack Addons for Elementor – Elementor Widgets, Elementor Templates, Elementor Addons, published on 6 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Element Pack Addons for Elementor plugin for WordPress is vulnerable to Email Header Injection in all versions up to, and including, 8.3.15 via the `element_pack_contact_form` AJAX action. This is due to insufficient sanitization of newline characters in user-supplied input that gets concatenated into email headers. This makes it possible for unauthenticated attackers to inject arbitrary email headers into emails sent by the contact form.
Weakness: CWE-93
Which versions are affected by CVE-2026-0673?
How do I fix CVE-2026-0673?
No fix has been published for CVE-2026-0673 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-0673 being exploited?
There is no known exploitation of CVE-2026-0673 in the wild and no public exploit code.
Sources
Also known as GHSA-74gv-xjcv-gwc2.