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CVE-2026-9860

HIGH 8.8 CVSS 3.1
Published
June 18, 2026
Last modified
June 18, 2026
NVD status
Deferred
Reported by
security@wordfence.com
Weakness
CWE-434
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Description

The Offload, AI & Optimize with Cloudflare Images plugin for WordPress is vulnerable to Remote Code Execution in all versions up to, and including, 1.10.2 via the 'account-id' parameter parameter. This is due to insufficient privilege enforcement on the cf_images_do_setup AJAX handler, which requires only the upload_files capability (Author+) rather than manage_options before writing to wp-config.php, combined with the absence of single-quote escaping — sanitize_text_field() does not strip single quotes, and filter_input(INPUT_POST) bypasses wp_magic_quotes() slashing — allowing a single quote in the account-id or api-key parameter to break out of the single-quoted PHP string literal in the write_config() define() statement. This makes it possible for authenticated attackers, with author-level access and above, to execute code on the server. This is possible because the 'cf-images-nonce' nonce required by the AJAX handler is exposed to all Author-level and above users on wp-admin/upload.php via the CFImages JavaScript object, meaning any upload-capable user can satisfy the nonce check and reach the vulnerable wp-config.php write path.

Affected WordPress components

  • Offload, AI & Optimize with Cloudflare Images Plugin · cf-images
    Confirmed match Active
    Up to and including 1.10.2
    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

  • vanyukov Offload, AI & Optimize with Cloudflare Images — Up to and including 1.10.2

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cf-images/tags/1.10.1/app/class-media.php#L94
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cf-images/tags/1.10.1/app/class-settings.php#L123
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cf-images/tags/1.10.1/app/class-settings.php#L75
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/browser/cf-images/tags/1.10.1/app/traits/trait-ajax.php#L36
  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=3564001%40cf-images&new=3564001%40cf-images&sfp_email=&sfph_mail=
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/a772041e-015e-48e8-9fab-79f1fcdb265c?source=cve
  • nvd.nist.gov Official NVD record