CSV+ vulnerable to cross-site scripting


CSV+ provided by Plus one is a tabbed CSV editor. CSV+ contains a cross-site scripting vulnerability (CWE-79).

Satoki Tsuji 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 7.8 (High) [IPA Score]
  • Attack Vector: Local
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: High
  • Integrity Impact: High
  • Availability Impact: High
CVSS V2 Severity:
Base Metrics 6.8 (Medium) [IPA Score]
  • Access Vector: Network
  • Access Complexity: Medium
  • Authentication: None
  • Confidentiality Impact: Partial
  • Integrity Impact: Partial
  • Availability Impact: Partial
Affected Products

Plus one
  • CSV+ prior to 0.8.1


If a CSV file containing a tag is loaded and the link is clicked by the user of the software, an arbitrary script or OS command may be executed.

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

Plus one
CWE (What is CWE?)

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

  1. CVE-2022-21241

  1. JVN : JVN#67396225
  2. National Vulnerability Database (NVD) : CVE-2022-21241
Revision History

  • [2022/02/08]
      Web page was published