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CVE-2023-0993

MEDIUM 4.3 CVSS 3.1
Published
June 9, 2023
Last modified
June 17, 2026
NVD status
Modified
Reported by
security@wordfence.com
Weakness
CWE-862
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N

Description

The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, and including, 17.0.17. This allows authenticated attackers to add arbitrary audit log entries indicating that a theme or plugin has been edited, and is also a vector for Cross-Site Scripting via CVE-2023-0992.

Affected WordPress components

  • Shield Security – Smart Bot Blocking, Brute-Force Login Protection & File Scanning Plugin · wp-simple-firewall
    Confirmed match Active
    Before 17.0.18
    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

  • paultgoodchild Shield: Blocks Bots, Protects Users, and Prevents Security Breaches — Before 17.0.18
  • getshieldsecurity shield_security — Up to and including 17.0.17

References

  • plugins.trac.wordpress.org https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&new=2883864%40wp-simple-firewall%2Ftrunk&old=2883536%40wp-simple-firewall%2Ftrunk&sfp_email=&sfph_mail= Patch
  • wordpress.org https://wordpress.org/plugins/wp-simple-firewall/ Product
  • www.wordfence.com https://www.wordfence.com/blog/2023/04/multiple-vulnerabilities-patched-in-shield-security/
  • www.wordfence.com https://www.wordfence.com/threat-intel/vulnerabilities/id/674461ad-9b61-48c4-af2a-5dfcaeb38215?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record