Is visitors-online (WordPress plugin) vulnerable?

WordPress visitors-online has 3 known advisories in the phpwarden feed. Feed 2026.10.29.1, updated 2026-10-28.

3advisories

1critical

0on CISA KEV

1no fix recorded

CVE	Title	Severity	CVSS	Affected	Fixed in
CVE-2015-9325	The visitors-online plugin before 0.4 for WordPress has SQL injection.	critical	9.8	`<0.4`	`0.4`
CVE-2017-18537	The visitors-online plugin before 1.0.0 for WordPress has multiple XSS issues.	medium	6.1	`<1.0.0`	`1.0.0`
CVE-2021-24350	The Visitors WordPress plugin through 0.3 is affected by an Unauthenticated Stored Cross-Site Scripting (XSS) vulnerability. The plugin woul	medium	6.1	`<=0.3`	–

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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