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CVE-2023-0992

MEDIUM 6.1 CVSS 3.1
Published
June 9, 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:N/UI:R/S:C/C:L/I:L/A:N

Description

The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'User-Agent' header. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

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/#developers 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/162dff28-94ea-4a47-a6cb-a13317cf1a04?source=cve Third Party Advisory
  • nvd.nist.gov Official NVD record