High severity7.2NVD Advisory· Published Mar 19, 2026· Updated Apr 22, 2026

CVE-2026-1238

Description

The SlimStat Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'fh' (fingerprint) parameter in all versions up to, and including, 5.3.5 due to insufficient input sanitization and output escaping. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Patches

No patches discovered yet.

Vulnerability mechanics

AI mechanics synthesis has not run for this CVE yet.

References

plugins.trac.wordpress.org/browser/wp-slimstat/tags/5.3.5/admin/view/right-now.phpnvd
plugins.trac.wordpress.org/browser/wp-slimstat/tags/5.3.5/wp-slimstat.phpnvd
plugins.trac.wordpress.org/changeset/3477417/nvd
www.wordfence.com/threat-intel/vulnerabilities/id/e991fbdf-8e26-4d2e-8e3b-c8990914dcadnvd

News mentions

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