CVE-2021-24225

Public Exploit
Advanced Booking Calendar < 1.6.7 - Authenticated Reflected Cross-Site Scripting (XSS)

Description

The Advanced Booking Calendar WordPress plugin before 1.6.7 did not sanitise the calId GET parameter in the "Seasons & Calendars" page before outputing it in an A tag, leading to a reflected XSS issue

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.16%
Third-Party Advisory wordpress.org Third-Party Advisory wpscan.com
Affected: Unknown Advanced Booking Calendar
Published at:
Updated at:

References

Link Tags
https://wpscan.com/vulnerability/25ca8af5-ab48-4e6d-b2ef-fc291742f1d5 third party advisory exploit
https://plugins.trac.wordpress.org/changeset/2503971/ third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2021-24225?
CVE-2021-24225 has been scored as a medium severity vulnerability.
How to fix CVE-2021-24225?
To fix CVE-2021-24225, 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-2021-24225 being actively exploited in the wild?
It is possible that CVE-2021-24225 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-24225?
CVE-2021-24225 affects Unknown Advanced Booking Calendar.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.