CVE-2026-92590 Craft CMS 5.7.0 before 5.10.13 Stored XSS via Generated Fields
Content editors can inject malicious JavaScript via Generated Fields, leading to script execution in higher-privileged Control Panel sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-92590?
CVE-2026-92590 is a medium-severity cross-site scripting vulnerability in craftcms cms, published on 16 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Craft CMS versions from 5.7.0 before 5.10.13 contain a stored cross-site scripting vulnerability in the Generated Fields feature that disables Twig autoescaping and fails to encode cached values. Content editors can inject malicious JavaScript through editable fields that executes in authenticated Control Panel sessions of higher-privileged users viewing element indexes.
Weakness: CWE-79
Which versions are affected by CVE-2026-92590?
How do I fix CVE-2026-92590?
No fix has been published for CVE-2026-92590 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-92590 being exploited?
There is no known exploitation of CVE-2026-92590 in the wild and no public exploit code.
Sources
Also known as GHSA-gjx7-qh8p-42m8, GHSA-h9jh-v8vc-m5rp.