// For flags

CVE-2023-51520

WordPress Booking Calendar Plugin < 9.7.4 is vulnerable to Cross Site Scripting (XSS)

Severity Score

5.4
*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

0
*Multiple Sources

Exploited in Wild

-
*KEV

Decision

Track
*SSVC
Descriptions

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in WPdevelop / Oplugins WP Booking Calendar allows Stored XSS.This issue affects WP Booking Calendar: from n/a before 9.7.4.

La vulnerabilidad de neutralización incorrecta de la entrada durante la generación de páginas web ('Cross-site Scripting') en WPdevelop/Oplugins WP Booking Calendar permite XSS almacenado. Este problema afecta a WP Booking Calendar: desde n/a antes de 9.7.4.

The Booking Calendar plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's shortcode(s) in versions up to, and including, 9.7.3.3 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

*Credits: NGÔ THIÊN AN / ancorn_ from VNPT-VCI (Patchstack Alliance)
CVSS Scores
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
Low
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
* Common Vulnerability Scoring System
SSVC
  • Decision:Track
Exploitation
None
Automatable
No
Tech. Impact
Partial
* Organization's Worst-case Scenario
Timeline
  • 2023-09-25 CVE Published
  • 2023-12-20 CVE Reserved
  • 2024-02-08 EPSS Updated
  • 2024-08-02 CVE Updated
  • ---------- Exploited in Wild
  • ---------- KEV Due Date
  • ---------- First Exploit
CWE
  • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CAPEC
  • CAPEC-592: Stored XSS
Affected Vendors, Products, and Versions
Vendor Product Version Other Status
Vendor Product Version Other Status <-- --> Vendor Product Version Other Status
Wpbookingcalendar
Search vendor "Wpbookingcalendar"
Booking Calendar
Search vendor "Wpbookingcalendar" for product "Booking Calendar"
< 9.7.4
Search vendor "Wpbookingcalendar" for product "Booking Calendar" and version " < 9.7.4"
wordpress
Affected