CVE-2026-107126 WP Booking System < 2.1.0.1 - Unauthenticated Stored XSS via X-Forwarded-For Header
Unauthenticated attackers can inject malicious scripts via the X-Forwarded-For header, leading to code execution in administrator sessions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-107126?
CVE-2026-107126 is a high-severity cross-site scripting vulnerability in Unknown WP Booking System, published on 14 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
The WP Booking System WordPress plugin before 2.1.0.1 does not sanitise and escape a client-controllable request value before storing it and later outputting it in an administration screen, allowing unauthenticated attackers to perform Stored Cross-Site Scripting attacks that execute in the session of an administrator who views the stored data.
Weakness: CWE-79
Which versions are affected by CVE-2026-107126?
How do I fix CVE-2026-107126?
No fix has been published for CVE-2026-107126 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-2026-107126 being exploited?
There is no known exploitation of CVE-2026-107126 in the wild and no public exploit code.
Sources
Also known as GHSA-v4rg-pjjp-9wm6.