CVE-2023-5135

Summary

The Simple Cloudflare Turnstile plugin for WordPress is vulnerable to Stored Cross-Site Scripting via 'gravity-simple-turnstile' shortcode in versions up to, and including, 1.23.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers with contributor-level and above permissions to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected Software

Weaknesses

• CWE-79: CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

ADP Enrichment

CVE Program Container

Additional References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/91f6c9d3-641d-42f7-bf11-e3c3a44eeb76?source=cve
• https://plugins.trac.wordpress.org/browser/simple-cloudflare-turnstile/tags/1.23.0/inc/integrations/forms/gravity-forms.php#L14
• https://plugins.trac.wordpress.org/browser/simple-cloudflare-turnstile/tags/1.23.0/inc/integrations/forms/gravity-forms.php#L23
• https://plugins.trac.wordpress.org/browser/simple-cloudflare-turnstile/tags/1.23.0/simple-cloudflare-turnstile.php#L72
• https://plugins.trac.wordpress.org/changeset/2970368/simple-cloudflare-turnstile#file1

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

References

• https://www.wordfence.com/threat-intel/vulnerabilities/id/91f6c9d3-641d-42f7-bf11-e3c3a44eeb76?source=cve
• https://plugins.trac.wordpress.org/browser/simple-cloudflare-turnstile/tags/1.23.0/inc/integrations/forms/gravity-forms.php#L14
• https://plugins.trac.wordpress.org/browser/simple-cloudflare-turnstile/tags/1.23.0/inc/integrations/forms/gravity-forms.php#L23
• https://plugins.trac.wordpress.org/browser/simple-cloudflare-turnstile/tags/1.23.0/simple-cloudflare-turnstile.php#L72
• https://plugins.trac.wordpress.org/changeset/2970368/simple-cloudflare-turnstile#file1

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