CVE-2022-0218

Summary

The WP HTML Mail WordPress plugin is vulnerable to unauthorized access which allows unauthenticated attackers to retrieve and modify theme settings due to a missing capability check on the /themesettings REST-API endpoint found in the ~/includes/class-template-designer.php file, in versions up to and including 3.0.9. This makes it possible for attackers with no privileges to execute the endpoint and add malicious JavaScript to a vulnerable WordPress site.

Affected Software

Weaknesses

• CWE-862: CWE-862 Missing Authorization
• CWE-79: CWE-79 Cross-site Scripting (XSS)

ADP Enrichment

CVE Program Container

Additional References

• https://www.wordfence.com/blog/2022/01/unauthenticated-xss-vulnerability-patched-in-html-email-template-designer-plugin/
• https://plugins.trac.wordpress.org/changeset/2656984/wp-html-mail/trunk/includes/class-template-designer.php

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: yes
  • Technical Impact: partial

References

• https://www.wordfence.com/blog/2022/01/unauthenticated-xss-vulnerability-patched-in-html-email-template-designer-plugin/
• https://plugins.trac.wordpress.org/changeset/2656984/wp-html-mail/trunk/includes/class-template-designer.php

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