JVN#23340457
Multiple vulnerabilities in WebCalendar

Overview

WebCalendar provided by k5n.us contains multiple vulnerabilities.

Products Affected

• WebCalendar 1.2.7 and earlier

Description

WebCalendar provided by k5n.us contains multiple vulnerabilities listed below.

• Cross-site scripting (CWE-79)  - CVE-2017-10840

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N	Base Score: 6.1
  CVSS v2	AV:N/AC:H/Au:N/C:N/I:P/A:N	Base Score: 2.6

• Directory traversal (CWE-22) - CVE-2017-10841

  CVSS v3	CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:N/A:N	Base Score: 4.1
  CVSS v2	AV:N/AC:L/Au:S/C:P/I:N/A:N	Base Score: 4.0

Impact

• An arbitrary script may be executed on a logged in user's web browser - CVE-2017-10840
• Arbitrary local files on the server may be accessed by a user logged in as an administrator - CVE-2017-10841

Solution

Update the Software
Update to the latest version according to the information provided by the developer.