CVE-2021-24646 Booking.com Banner Creator < 1.4.3 - Admin+ Stored Cross-Site Scripting
High-privilege users can inject malicious scripts via unsanitized banner inputs in the Booking.com Banner Creator WordPress plugin.
- 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-2021-24646?
CVE-2021-24646 is a medium-severity cross-site scripting vulnerability in Unknown Booking.com Banner Creator, published on 8 Nov 2021. An attacker needs administrator access to exploit it, and only if a user opens a file or follows a link.
Official description
The Booking.com Banner Creator WordPress plugin before 1.4.3 does not properly sanitize inputs when creating banners, which could allow high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed
Weakness: CWE-79
Which versions are affected by CVE-2021-24646?
It affects 1 product.
Products include Bookingholdings Booking.com Banner Creator.
How do I fix CVE-2021-24646?
No fix has been published for CVE-2021-24646 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-2021-24646 being exploited?
There is no known exploitation of CVE-2021-24646 in the wild and no public exploit code.
Sources
Also known as GHSA-4prq-v9h3-h5fr.