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Vulnerability record · CVE-2025-14151 · published 19 December 2025

CVE-2025-14151: Cross-site scripting vulnerability

The SlimStat Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'outbound_resource' parameter in the slimtrack AJAX action in all versions up to, and including, 5.3.2. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

7.2 CVSS 3.1 High EPSS 0.40% · top 68.8% CWE-79 · Cross-site scripting Deferred
7.2CVSS 3.1 base score
0.40%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
4References
17 Jun 2026Last modified by NVD

Description

The SlimStat Analytics plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'outbound_resource' parameter in the slimtrack AJAX action in all versions up to, and including, 5.3.2. This is due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N

References

LinkTags
https://plugins.trac.wordpress.org/browser/wp-slimstat/tags/5.3.2/admin/view/right-now.php#L273
https://plugins.trac.wordpress.org/browser/wp-slimstat/tags/5.3.2/admin/view/wp-slimstat-reports.php#L1341
https://plugins.trac.wordpress.org/changeset/3421814/wp-slimstat/trunk?contextall=1&old=3401545&old_path=%2Fwp-slimstat%
https://www.wordfence.com/threat-intel/vulnerabilities/id/6ee675dd-5b43-439f-9717-6c531e9bf066?source=cve

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Source: NIST National Vulnerability Database (record CVE-2025-14151), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.