Stored Cross-Site Scripting Vulnerability in SlimStat Analytics Plugin for WordPress
CVE-2026-1238

7.2HIGH

Key Information:

Vendor

WordPress
Status
Slimstat Analytics
Vendor
CVE Published:
19 March 2026

What is CVE-2026-1238?

The SlimStat Analytics plugin for WordPress is susceptible to stored cross-site scripting due to inadequate input sanitization and output escaping in the 'fh' (fingerprint) parameter. This vulnerability allows unauthenticated attackers to inject harmful web scripts that execute when users access compromised pages, posing a serious security risk to WordPress sites.

Affected Version(s)

SlimStat Analytics 0 <= 5.3.5

References

https://www.wordfence.com/threat-intel/vulnerabilities/id...
https://plugins.trac.wordpress.org/browser/wp-slimstat/ta...
https://plugins.trac.wordpress.org/browser/wp-slimstat/ta...

CVSS V3.1

Score:
7.2
Severity:
HIGH
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Supakiad S.
.