CVE-2021-41836 describes a Stored Cross-Site Scripting (XSS) vulnerability in the Fathom Analytics WordPress plugin, affecting versions up to and including 3.0.4. This flaw allows administrative users to inject arbitrary web scripts through the $site_id parameter due to insufficient input validation, particularly impacting multi-site installations where unfiltered_html is disabled. Rated 4.8 MEDIUM, the vulnerability requires high privileges (PR:H) and user interaction (UI:R), leading to low impacts on confidentiality and integrity (C:L, I:L). There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion, indicating a low current threat level.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 3.0.4CPE matchmatch criteria | cpe:2.3:a:conva:fathom_analytics:*:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.