CVE-2021-41836
Fathom Analytics <= 3.0.4 - Stored Cross-Site Scripting
mediumImproper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
4.8
CVSS Score
4.8
CVSS Score
medium
Severity
3.0.5
Patched in
775d
Time to patch
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.
CVSS Vector Breakdown
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NAttack Vector
Network
Attack Complexity
Low
Privileges Required
High
User Interaction
Required
Scope
Changed
Low
Confidentiality
Low
Integrity
None
Availability
Technical Details
Affected versions
<=3.0.4PublishedDecember 8, 2021
Last updatedJanuary 22, 2024
Affected pluginfathom-analytics
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