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cve[email protected]CVE-2021-41836
HistoryDec 14, 2021 - 4:15 p.m.

CVE-2021-41836

2021-12-1416:15:09
CWE-79
web.nvd.nist.gov
27
4
fathom analytics
wordpress plugin
stored cross-site scripting
xss
cve-2021-41836
security vulnerability

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

19.4%

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.

Affected configurations

Vulners
NVD
Node
fathom_analyticsfathom_analyticsRange3.0.43.0.4

CNA Affected

[
  {
    "product": "Fathom Analytics ",
    "vendor": "Fathom Analytics ",
    "versions": [
      {
        "lessThanOrEqual": "3.0.4",
        "status": "affected",
        "version": "3.0.4",
        "versionType": "custom"
      }
    ]
  }
]

Social References

More

3.5 Low

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

PARTIAL

Availability Impact

NONE

AV:N/AC:M/Au:S/C:N/I:P/A:N

4.8 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

HIGH

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

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

0.001 Low

EPSS

Percentile

19.4%