SlimStat Analytics, CVE-2026-1238

CVE, Research URL: CVE-2026-1238
Home page URL: Security reports for SlimStat Analytics
Application: SlimStat Analytics
Published on: Mar 19, 2026
Research 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.
Affected versions: max 5.4.0.
Status: vulnerable