SlimStat Analytics <= 5.3.3 - Unauthenticated Stored Cross-Site Scripting via 'fh' Parameter

2026-01-08 18:00

Supakiad S. (m3ez)

Strategic Overview

Status

Patched in 5.3.4

Affected PluginSlimStat Analytics

Affected Version<= 5.3.3

CVSS7.2High

CVECVE-2025-15057

View all SlimStat Analytics vulnerabilities

Vulnerability Overview

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 on the fingerprint value stored in the database. This makes it possible for unauthenticated attackers to inject arbitrary web scripts in pages that will execute whenever an administrator views the Real-time Access Log report.

Technical Analysis

REMEDIATION: Update to version 5.3.4, or a newer patched version --- IDENTIFIER: CWE-79 (Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')) The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

External References

https://www.cve.org/CVERecord?id=CVE-2025-15057 https://www.wordfence.com/threat-intel/vulnerabilities/id/90920df9-1362-466b-b14b-4714087f556b

CVSS Vector

7.2

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityLow
IntegrityLow
AvailabilityNone

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