CVE-2026-9720 Facturación Electrónica Costa Rica <= 2.0.2 - Cross-Site Request Forgery to Plugin Settings Update
Unauthenticated attackers can modify plugin settings and tokens by tricking administrators into clicking a link.
- 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-2026-9720?
CVE-2026-9720 is a medium-severity vulnerability in facturadorvirtual Facturación Electrónica Costa Rica, published on 29 Jul 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 Facturación Electrónica Costa Rica plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.0.2. This is due to missing or incorrect nonce validation on the (global scope, included by fvcr_admin_page_html) function. This makes it possible for unauthenticated attackers to modify the plugin's configuration, including API tokens, access tokens, economic activity, Hacienda environment mode, invoice and ticket emission flags, exchange rate, and branch 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-2026-9720?
How do I fix CVE-2026-9720?
No fix has been published for CVE-2026-9720 yet. Limit exposure of the affected software until one is available.
Is CVE-2026-9720 being exploited?
There is no known exploitation of CVE-2026-9720 in the wild and no public exploit code.
Sources
Also known as GHSA-6f8f-g768-8537.