Is wp-simple-firewall (WordPress plugin) vulnerable?

WordPress wp-simple-firewall has 3 known advisories in the phpwarden feed. Feed 2026.10.28.3, updated 2026-10-28.

3advisories

1critical

0on CISA KEV

2no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
CVE-2023-0992	The Shield Security plugin for WordPress is vulnerable to stored Cross-Site Scripting in versions up to, and including, 17.0.17 via the 'Use	high	7.2	`<=17.0.17`	–
CVE-2023-6989	The Shield Security – Smart Bot Blocking & Intrusion Prevention Security plugin for WordPress is vulnerable to Local File Inclusion in all v	critical	9.8	`<18.5.10`	`18.5.10`
CVE-2023-0993	The Shield Security plugin for WordPress is vulnerable to Missing Authorization on the 'theme-plugin-file' AJAX action in versions up to, an	medium	4.3	`<=17.0.17`	–

Am I affected?

Find out in one command. phpwarden checks your WordPress install against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden wordpress /var/www/html

Or keep it checked automatically with the GitHub Action or a nightly cron; see WordPress docs.

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A version is vulnerable when it falls inside an affected range and below the fixed version. phpwarden applies these ranges to the exact versions in your lockfile or install, so you only see what applies to you.