CVE-2026-86604 GTranslate < 5.0.1 - Unauthenticated Arbitrary Shortcode Execution via Email Translation
Unauthenticated attackers can execute arbitrary shortcodes server-side via email translation in non-default configurations, leading to code execution.
- 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-2026-86604?
CVE-2026-86604 is a medium-severity code injection vulnerability in Unknown GTranslate, published on 23 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
The GTranslate WordPress plugin before 5.0.1 does not remove shortcodes from the content of outgoing emails before expanding them which, in a non-default configuration, allows unauthenticated users to have arbitrary shortcodes registered on the site executed server side.
Weakness: CWE-74
Which versions are affected by CVE-2026-86604?
How do I fix CVE-2026-86604?
No fix has been published for CVE-2026-86604 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-2026-86604 being exploited?
There is no known exploitation of CVE-2026-86604 in the wild and no public exploit code.
Sources
Also known as GHSA-xh3x-5v9w-f65x.