CVE-2026-109960 Froxlor 2.0.0 before 2.3.14 Stored XSS via Customer Theme Value
Authenticated customers can inject scripts via theme values, allowing attackers to escalate privileges to administrator when admins view the customer overview.
- 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-2026-109960?
CVE-2026-109960 is a high-severity cross-site scripting vulnerability in froxlor, published on 13 Oct 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
Froxlor 2.0.0 before 2.3.14 contains a stored cross-site scripting vulnerability that allows authenticated customers to inject HTML and JavaScript by setting a malicious theme value via customer_index.php. Script executes when an administrator views the customer overview with the Theme column enabled, letting attackers abuse the CSRF token to create administrator accounts or change server settings.
Weakness: CWE-79
Which versions are affected by CVE-2026-109960?
How do I fix CVE-2026-109960?
No fix has been published for CVE-2026-109960 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-2026-109960 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109960 exists.
Sources
Also known as GHSA-3jpp-mhvh-rv66, GHSA-wj7h-phvf-62w3.