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cve/2021/CVE-2021-41836.md
0xMarcio cb00e1339f Update CVE list 2025-09-29 21:09
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CVE-2021-41836

Description

The Fathom Analytics WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and escaping via the $site_id parameter found in the ~/fathom-analytics.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 3.0.4. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled.

POC

Reference

No PoCs from references.

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