CVE-2021-20840

Description

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.

Category

6.1
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.67% Top 30%
Vendor Advisory saasproject.net
Affected: Saasproject Booking Package - Appointment Booking Calendar System
Published at:
Updated at:

References

Link Tags
https://wordpress.org/plugins/booking-package/ product
https://saasproject.net/ja/fixed/20211019.php vendor advisory
https://jvn.jp/en/jp/JVN68066589/index.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-20840?
CVE-2021-20840 has been scored as a medium severity vulnerability.
How to fix CVE-2021-20840?
To fix CVE-2021-20840, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2021-20840 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-20840 is being actively exploited. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-20840?
CVE-2021-20840 affects Saasproject Booking Package - Appointment Booking Calendar System.
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