CVE-2026-5116 Contact Form 7 – Dynamic Text Extension <= 5.0.5 - Authenticated (Editor+) Stored Cross-Site Scripting
Authenticated editors can inject scripts via form keys that execute in admin browsers, potentially leading to account takeover.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-5116?
CVE-2026-5116 is a medium-severity cross-site scripting vulnerability in sevenspark DTX – Dynamic Text Extension for Contact Form 7, published on 5 Aug 2026. An attacker needs administrator access to exploit it, with no action from the victim.
Official description
The Contact Form 7 – Dynamic Text Extension plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 5.0.5. This is due to insufficient output escaping on form shortcode keys displayed in the admin "Scan Forms for Post Meta and User Data Keys" page. This makes it possible for authenticated attackers, with Editor-level access and above, to inject arbitrary web scripts that execute when an Administrator runs the scan feature.
Weakness: CWE-79
Which versions are affected by CVE-2026-5116?
How do I fix CVE-2026-5116?
No fix has been published for CVE-2026-5116 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-2026-5116 being exploited?
There is no known exploitation of CVE-2026-5116 in the wild and no public exploit code.
Sources
Also known as GHSA-h3v3-jhc3-m8w7.