CVE-2023-2707 Appointment booking addon for Gravity Forms <= 1.9.5.1 - Admin+ Stored XSS
High-privilege users can inject malicious scripts into gAppointments settings, enabling stored XSS attacks in multisite environments.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2023-2707?
CVE-2023-2707 is a medium-severity cross-site scripting vulnerability in Unknown gAppointments, published on 27 Nov 2023. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The gAppointments WordPress plugin through 1.9.5.1 does not sanitise and escape some of its settings, which could allow high privilege users such as admin to perform Stored Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed (for example in multisite setup)
Weakness: CWE-79
Which versions are affected by CVE-2023-2707?
It affects 1 product.
Products include Gappointments Gappointments.
How do I fix CVE-2023-2707?
No fix has been published for CVE-2023-2707 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-2023-2707 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-2707 exists.
Other vulnerabilities in Unknown gAppointments
Sources
Also known as GHSA-28c2-wq95-3f9j.