CVE-2026-4683 Smartcat Translator for WPML <= 3.1.77 - Missing Authorization to Unauthenticated Plugin Settings Update
Unauthenticated attackers can overwrite Smartcat API credentials via a missing capability check, hijacking translation services or causing denial of service.
- 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-2026-4683?
CVE-2026-4683 is a medium-severity missing authorization vulnerability in smartcatai Smartcat Translator for WPML, published on 15 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The Smartcat Translator for WPML plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'routeData' REST endpoint in all versions up to, and including, 3.1.77. This makes it possible for unauthenticated attackers to overwrite the plugin's Smartcat API credentials (account ID, API secret key, hub key, API host, and hub host), effectively hijacking the translation service or causing a denial of service.
Weakness: CWE-862
Which versions are affected by CVE-2026-4683?
How do I fix CVE-2026-4683?
No fix has been published for CVE-2026-4683 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2026-4683 being exploited?
There is no known exploitation of CVE-2026-4683 in the wild and no public exploit code.
Sources
Also known as GHSA-3rhq-g36f-cvc7.