What is CVE-2025-15057?

CVE-2025-15057 is a high-severity vulnerability in Veronalabs Slimstat Analytics, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-01-09.

How severe is CVE-2025-15057?

High severity. CVSS v3 base score is 7.2 out of 10.

XSS in Veronalabs Slimstat Analytics

CVE-2025-15057

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, 5.3.3. This is due to insufficient input sanitization and output escaping o…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (19.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N.

Affected products

Veronalabs Slimstat Analytics — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

www.wordfence.com/threat-intel/vulnerabilities/id/90920df9-1362-466b-b14b-47140…
plugins.trac.wordpress.org/changeset/3428488/wp-slimstat

Frequently asked questions

What is CVE-2025-15057?: CVE-2025-15057 is a high-severity vulnerability in Veronalabs Slimstat Analytics, classified under Cross-site Scripting. CVSS score: 7.2/10. Published 2026-01-09.
How severe is CVE-2025-15057?: High severity. CVSS v3 base score is 7.2 out of 10.