CVE-2023-0992

· HIGHModified

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CVSS v3.1

7.2

EPSS

93.05%

Published

Jun 9, 2023

Modified

Apr 8, 2026

Public PoC / Exploit (1)

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Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.

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.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

Weaknesses (CWE)

CWE-79CWE-79

Affected Products (1)

getshieldsecurity · shield_securityvulnerable

References (7)

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

https://wordpress.org/plugins/wp-simple-firewall/#developers

Product

https://www.wordfence.com/blog/2023/04/multiple-vulnerabilities-patched-in-shield-security/

https://www.wordfence.com/threat-intel/vulnerabilities/id/162dff28-94ea-4a47-a6cb-a13317cf1a04?source=cve

Third Party Advisory

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=

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