CVE-2026-1075 ZT Captcha <= 1.0.4 - Cross-Site Request Forgery to Settings Update
Unauthenticated attackers can modify ZT Captcha plugin settings by tricking administrators into clicking a link due to improper nonce validation.
- 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-2026-1075?
CVE-2026-1075 is a medium-severity vulnerability in teamzt ZT Captcha, published on 24 Jan 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 ZT Captcha plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 1.0.4. This is due to improper nonce validation on the save_ztcpt_captcha_settings action where the nonce check can be bypassed by sending an empty token value. This makes it possible for unauthenticated attackers to modify the plugin's settings via a forged request granted they can trick a site administrator into performing an action such as clicking on a link.
Weakness: CWE-352
Which versions are affected by CVE-2026-1075?
How do I fix CVE-2026-1075?
No fix has been published for CVE-2026-1075 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-1075 being exploited?
There is no known exploitation of CVE-2026-1075 in the wild and no public exploit code.
Sources
Also known as GHSA-8jqq-p49q-pr8p.