blogsafe.org My Downloads

BlogSafe.org

WordPress CVEs

Search and review WordPress-related vulnerability records.

← Back to CVE list

CVE-2023-5135

MEDIUM 5.4 CVSS 3.1
Published
September 27, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-79
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Description

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 WordPress components

  • Simple CAPTCHA with Cloudflare Turnstile Plugin · simple-cloudflare-turnstile
    Confirmed match Active
    Up to and including 1.23.1
    View on WordPress.org

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

  • elliotvs Simple CAPTCHA Alternative with Cloudflare Turnstile — Up to and including 1.23.1
  • replywp simple_cloudfare_turnstile — Before 1.23.2

References

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