WordPress plugin "Booking Calendar" vulnerable to cross-site scripting


The WordPress plugin "Booking Calendar" provided by wpdevelop contains a stored cross-site scripting vulnerability (CWE-79).

Satoshi Takagi of Cryptography Laboratory,Department of Information and Communication Engineering,Tokyo Denki University reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

CVSS V3 Severity:
Base Metrics 6.1 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 5.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

  • Booking Calendar version 7.1 and earlier


An arbitrary script may be executed on the web browser of a user accessing the page generated by the application.

[Update the Software]
Update to the latest version according to the information provided by the developer.
Vendor Information

CWE (What is CWE?)

  1. Cross-site Scripting(CWE-79) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2017-2151

  1. JVN : JVN#54762089
  2. National Vulnerability Database (NVD) : CVE-2017-2151
Revision History

  • [2017/04/20]
      Web page was published
      References : Content was added