CVE-2021-20840: XSS
Cross-site scripting vulnerability in Booking Package - Appointment Booking Calendar System versions prior to 1.5.11 allows a remote attacker to inject an arbitrary script via unspecified vectors.
Affected Software
Event History
Frequently Asked Questions
What is CVE-2021-20840?
CVE-2021-20840 is a cross-site scripting vulnerability in Booking Package - Appointment Booking Calendar System versions prior to 1.5.11.
How does CVE-2021-20840 impact my system?
CVE-2021-20840 allows a remote attacker to inject an arbitrary script via unspecified vectors, potentially leading to unauthorized actions or data theft.
What is the severity of CVE-2021-20840?
CVE-2021-20840 has a severity rating of medium, with a CVSS score of 6.1.
How can I fix CVE-2021-20840?
To fix CVE-2021-20840, you should update to Booking Package - Appointment Booking Calendar System version 1.5.11 or later.
Where can I find more information about CVE-2021-20840?
You can find more information about CVE-2021-20840 at the following references: [JVN website](https://jvn.jp/en/jp/JVN68066589/index.html), [Saasproject website](https://saasproject.net/ja/fixed/20211019.php), [WordPress plugin page](https://wordpress.org/plugins/booking-package/).