CVE-2026-85117 Contact Form 7 Captcha 0.1.7 - 0.1.8 - Unauthenticated Arbitrary Shortcode Execution via Form Field Repopulation
Unauthenticated attackers can execute arbitrary shortcodes via form field repopulation in the Contact Form 7 Captcha 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-2026-85117?
CVE-2026-85117 is a medium-severity code injection vulnerability in Unknown Contact Form 7 Captcha, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Contact Form 7 Captcha WordPress plugin before 0.1.9 runs the shortcode parser over the whole rendered Contact Form 7 form, including the values a visitor submitted, allowing unauthenticated users to execute arbitrary shortcodes registered on the site.
Weakness: CWE-74
Which versions are affected by CVE-2026-85117?
How do I fix CVE-2026-85117?
No fix has been published for CVE-2026-85117 yet. Limit exposure of the affected software until one is available.
Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.
Is CVE-2026-85117 being exploited?
There is no known exploitation of CVE-2026-85117 in the wild and no public exploit code.
Sources
Also known as GHSA-f9wj-4mrj-xggq.