HumHub vulnerable to cross-site scripting


HumHub is a software framework for developing a social networking service (SNS). HumHub contains a cross-site scripting vulnerability.

Satoru Nagaoka of Cyber Defense Institute, Inc. 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 5.4 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: Low
  • User Interaction: Required
  • Scope: Changed
  • Confidentiality Impact: Low
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 4.0 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Low
  • Authentication: Single Instance
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

  • HumHub versions 0.20.0-beta.1 through 0.20.1
  • HumHub versions 1.0.0-beta.1 through 1.0.0-beta.2


An arbitrary script may be executed on the user's web browser.

[Update the software]
Update to the latest version according to the information provided by the developer.

According to the developer, this issue was addressed in version 1.0.0-beta.3.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2016-1229

  1. JVN : JVN#56167268
  2. National Vulnerability Database (NVD) : CVE-2016-1229
Revision History

  • [2016/05/24]
      Web page was published
      References : Content was added