CVE-2026-75107 Grav Form Plugin before 9.1.19 Stored XSS via Field Properties
Attackers with form authoring privileges can inject malicious scripts via unescaped field properties, affecting all form visitors.
- 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-2026-75107?
CVE-2026-75107 is a medium-severity cross-site scripting vulnerability in getgrav grav, published on 18 Aug 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
Grav Form Plugin before 9.1.19 fails to escape field-definition properties including prepend, append, spacer text, section text, and select option labels in form templates. Attackers with form authoring privileges can inject arbitrary HTML and JavaScript that executes for all form visitors through unescaped |raw filters and unquoted attributes.
Weakness: CWE-79
Which versions are affected by CVE-2026-75107?
How do I fix CVE-2026-75107?
No fix has been published for CVE-2026-75107 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-2026-75107 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-75107 exists.
Sources
Also known as GHSA-vggh-9vqg-95jr.