CVE-2021-25040 Booking Calendar < 8.9.2 - Reflected Cross-Site Scripting
Attackers can inject malicious scripts into admin pages via the booking_type parameter, potentially compromising administrator accounts.
- 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-2021-25040?
CVE-2021-25040 is a medium-severity cross-site scripting vulnerability in Unknown Booking Calendar, published on 3 Jan 2022. 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 Booking Calendar WordPress plugin before 8.9.2 does not sanitise and escape the booking_type parameter before outputting it back in an admin page, leading to a Reflected Cross-Site Scripting
Weakness: CWE-79
Which versions are affected by CVE-2021-25040?
It affects 1 product.
Products include Booking Calendar Project Booking Calendar.
How do I fix CVE-2021-25040?
No fix has been published for CVE-2021-25040 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-2021-25040 being exploited?
There is no known exploitation of CVE-2021-25040 in the wild and no public exploit code.
Other vulnerabilities in Unknown Booking Calendar
- CVE-2022-1463 Booking Calendar <= 9.1 - PHP Object Injection via Shortcode
- CVE-2018-20556 SQL injection in n/a
- CVE-2018-5673 Cross-site request forgery in n/a
- CVE-2023-36384 WordPress Booking Calendar Contact Form Plugin <= 1.2.40 is vulnerable to Cross Site Scripting (XSS)
- CVE-2017-2151 Cross-site scripting in Booking Calendar
Sources
Also known as GHSA-98qq-vrv8-7p4q.