Track vulnerabilities like this one. Sign up free to get alerted when software you use is affected.

CVE-2021-25040: 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

CVE-2021-25040 · published 4 years ago

Summary

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

What to do

Update booking_calendar_project booking_calendar to version 8.9.2 or later.

Affected software

Vendor	Product	Affected versions
booking_calendar_project	booking_calendar	< 8.9.2 `cpe:2.3:a:booking_calendar_project:booking_calendar::::::wordpress::*`

Original advisory text

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

References

https://wpscan.com/vulnerability/3ed821a6-c3e2-4964-86f8-d14c4a54708a Exploit Third Party Advisory

Fix within

Internet-facing 60 days

Internal At next upgrade

Not known to be exploited
Needs hands-on effort to exploit (estimated)
Gives an attacker partial control (estimated)

Severity

6.1 Medium

Exploitation

<1% chance of attack within 30 days

Type

CWE-79Cross-site Scripting (XSS)

Timeline

Published3 Jan 2022

Updated31 Oct 2026

First seen29 Sep 2026

Sources

CVE-2021-25040 · NVD

Track software like this

Free during beta