// For flags

CVE-2021-25040

Booking Calendar < 8.9.2 - Reflected Cross-Site Scripting

Severity Score

6.1
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

1
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

-
*SSVC
Descriptions

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

El plugin Booking Calendar de WordPress versiones anteriores a 8.9.2, no sanea y escapa del parámetro booking_type antes de devolverlo a una página de administración, conllevando a un problema de tipo Cross-Site Scripting Reflejado

*Credits: Krzysztof Zając
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Medium
Authentication
None
Confidentiality
None
Integrity
Partial
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:-
Exploitation
-
Automatable
-
Tech. Impact
-
* Organization's Worst-case Scenario
Timeline
  • 2021-01-14 CVE Reserved
  • 2021-12-06 CVE Published
  • 2024-08-03 CVE Updated
  • 2024-08-03 First Exploit
  • 2024-09-18 EPSS Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Booking Calendar Project
Search vendor "Booking Calendar Project"
 Booking Calendar
Search vendor "Booking Calendar Project" for product "Booking Calendar"
 < 8.9.2
Search vendor "Booking Calendar Project" for product "Booking Calendar" and version " < 8.9.2"
wordpress
Affected