[Japanese]

JVNDB-2021-000101

Unlimited Sitemap Generator vulnerable to cross-site request forgery

Overview

Unlimited Sitemap Generator provided by XML-Sitemaps contains a cross-site request forgery vulnerability (CWE-352).

Kanta Nishitani of Ierae Security, 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 4.3 (Medium) [IPA Score]
  • Attack Vector: Network
  • Attack Complexity: Low
  • Privileges Required: None
  • User Interaction: Required
  • Scope: Unchanged
  • Confidentiality Impact: None
  • Integrity Impact: Low
  • Availability Impact: None
CVSS V2 Severity:
Base Metrics 2.6 (Low) [IPA Score]
  • Access Vector: Network
  • Access Complexity: High
  • Authentication: None
  • Confidentiality Impact: None
  • Integrity Impact: Partial
  • Availability Impact: None
Affected Products


XML-Sitemaps
  • Unlimited Sitemap Generator versions prior to v8.2

Impact

If a user views a malicious page while logged in, unintended operations may be performed.
Solution

[Update the software]
Update the software to the latest version according to the information provided by the developer.
The developer released Unlimited Sitemap Generator v8.2 that contains a fix for this vulnerability.
Vendor Information

XML-Sitemaps
CWE (What is CWE?)

  1. Cross-Site Request Forgery(CWE-352) [IPA Evaluation]
CVE (What is CVE?)

  1. CVE-2021-20845
References

  1. JVN : JVN#58407606
Revision History

  • [2021/11/12]
      Web page was published

Date Public2021/11/12
Date First Published2021/11/12
Date Last Updated2021/11/12