StatCounter – Free Real Time Visitor Stats: Cross-site scripting
StatCounter – Free Real Time Visitor Stats is affected by cross-site scripting. The vulnerable path is reachable without authentication. Injected script can execute in the affected site's origin when the vulnerable output is viewed. The published affected range is <= 2.1.1.
- Component
- StatCounter – Free Real Time Visitor Stats
- Plugin slug
official-statcounter-plugin-for-wordpress- Affected
- <= 2.1.1
- Safe version
> 2.1.1- Published
- May 29, 2026
This CVE was published May 29, 2026 and is one of 3 known issues for this plugin.
Update, patch or deactivate.
Update StatCounter – Free Real Time Visitor Stats to a release after 2.1.1, or disable and remove it until a fixed version is available.
A safe version is available, so updating to that version or later is the preferred remediation. If an immediate update is not practical, consider a targeted application patch or temporarily restricting the affected functionality.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical description
The StatCounter – Free Real Time Visitor Stats plugin for WordPress is vulnerable to Stored Cross-Site Scripting in versions up to, and including, 2.1.1 This is due to insufficient output escaping on the post author's nickname in the statcounter_addToTags() function. The function is hooked to wp_head and fires on every single post page. It retrieves the post author's nickname via the_author_meta() and echoes it directly into a JavaScript double-quoted string context inside a