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CVE-2021-43353

HIGH 8.8 CVSS 3.1
Published
January 18, 2022
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-352
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Description

The Crisp Live Chat WordPress plugin is vulnerable to Cross-Site Request Forgery due to missing nonce validation via the crisp_plugin_settings_page function found in the ~/crisp.php file, which made it possible for attackers to inject arbitrary web scripts in versions up to, and including 0.31.

Affected WordPress components

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Crisp Live Chat Crisp Live Chat — From 0.31 (including) to 0.31 (including)
  • crisp crisp — Before 0.32

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2643954%40crisp&new=2643954%40crisp&sfp_email=&sfph_mail= Issue Tracking, Patch, Third Party Advisory
  • www.wordfence.com https://www.wordfence.com/vulnerability-advisories/#CVE-2021-43353 Third Party Advisory
  • nvd.nist.gov Official NVD record