OSQA vulnerable to cross-site scripting


OSQA (The Open Source Q&A system) contains a cross-site scripting vulnerability.

OSQA is an open source question and answer system. OSQA contains a cross-site scripting vulnerability.

Kousuke Ebihara reported this vulnerability to IPA.
JPCERT/CC coordinated with the developer under Information Security Early Warning Partnership.
CVSS Severity (What is CVSS?)

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

  • OSQA trunk revisions prior to 1234
  • OSQA version 0.9.0 (Fantasy Island) Beta 3 and earlier


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

[Apply a patch]
Apply the patch according to the information provided the developer.

According to the developer, this issue was addressed in revision 1234.
Vendor Information

CWE (What is CWE?)

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

  1. CVE-2012-1245

  1. JVN : JVN#15503729
  2. National Vulnerability Database (NVD) : CVE-2012-1245
Revision History

  • [2012/04/26]
      Web page was published