QQQ SYSTEMS vulnerable to cross-site scripting


QQQ SYSTEMS provided by Gundam Cult QQQ is a CGI script to create quiz pages. quiz_op.cgi of QQQ SYSTEMS contains a cross-site scripting vulnerability (CWE-79).
When a user accesses a malicious page and is redirected to a page created with the product, an arbitrary script may be executed on the user's browser.

Note that this vulnerability is different either from JVN#64990648 or JVN#46471407.

During the meeting of Committee for authorizing the disclosure of unresolved vulnerabilities held on November 24, 2015, it was judged that an advisory for this vulnerability shall be disclosed since all the criteria and conditions described below which are stated in Standards for Handling Software Vulnerability Information and Others (Directive #110, 2014) and Information Security Early Warning Partnership Guideline have been satisfied.

1. The developer of the product is unreachable
2. Existence of vulnerability has been verified
3. Not disclosing this case may result in the risk that product users will have no means to know of the existence of the vulnerability in the product
4. There are no particular reasons that would make disclosure inappropriate
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 4.3 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products

Gundam Cult QQQ
  • QQQ SYSTEMS ver2.24

The above is the software product and version that have been reported.

A fake page may be shown on a user's browser. Sensitive information may be retrieved such as Cookie data.

[Consider stop using QQQ SYSTEMS ver2.24]
Since the developer was unreachable, it is unknown whether any mitigations exist.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2018-0537

  1. JVN : JVN#96655441
  2. National Vulnerability Database (NVD) : CVE-2018-0537
Revision History

  • [2018/03/13]
      Web page was published
  • [2018/06/14]
      References : Content was added