CVE-2025-15057
BaseFortify
Publication date: 2026-01-09
Last updated on: 2026-01-09
Assigner: Wordfence
Description
Description
CVSS Scores
EPSS Scores
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Meta Information
Affected Vendors & Products
| Vendor | Product | Version / Range |
|---|---|---|
| unknown_vendor | wp-slimstat | to 5.3.3 (inc) |
Helpful Resources
Exploitability
| CWE ID | Description |
|---|---|
| CWE-79 | 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. |
Attack-Flow Graph
AI Powered Q&A
Can you explain this vulnerability to me?
This vulnerability is a Stored Cross-Site Scripting (XSS) issue in the SlimStat Analytics WordPress plugin (versions up to 5.3.3). It occurs because the plugin does not properly sanitize or escape the 'fh' (fingerprint) parameter before storing it in the database. As a result, an unauthenticated attacker can inject malicious scripts that will execute when an administrator views the Real-time Access Log report in the plugin's admin interface. [1]
How can this vulnerability impact me? :
The vulnerability allows unauthenticated attackers to inject arbitrary web scripts that execute in the context of an administrator's browser when they view the Real-time Access Log report. This can lead to theft of administrator credentials, session hijacking, or other malicious actions performed with administrator privileges, potentially compromising the entire WordPress site. [1]
What immediate steps should I take to mitigate this vulnerability?
Update the SlimStat Analytics WordPress plugin to version 5.3.4 or later, as this version includes security hardening that fixes the stored cross-site scripting vulnerability by improving input sanitization and output escaping. Ensure your PHP version is 7.4 or higher as required by the updated plugin. [1]