CVE-2025-46320Network attack vector

Code execution via custom-homepage cross-site scripting

Published Feb 24, 2026 · Updated Feb 24, 2026

Cross-site scripting in Claris FileMaker Server before 21.1.7 or 22.0.4 allows remote attackers to execute code through WebDirect. Claris identifies the custom homepage as the affected component but has not published the untrusted input, rendering sink, or sanitization failure. Exploitation requires user interaction with a crafted WebDirect custom-homepage flow, exposing unauthorized access or code execution.

CVSS severity6.1
Medium
EPSS probability0.22%
Next 30 days · Sep 16, 2026
Known exploitationUnconfirmed
Based on sourced intelligence
Hinoki checkNot available
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Summary

What happened

Cross-site scripting in Claris FileMaker Server before 21.1.7 or 22.0.4 allows remote attackers to execute code through WebDirect. Claris identifies the custom homepage as the affected component but has not published the untrusted input, rendering sink, or sanitization failure. Exploitation requires user interaction with a crafted WebDirect custom-homepage flow, exposing unauthorized access or code execution.

The record

CVE
CVE-2025-46320
Published
Feb 24, 2026
Updated
Feb 24, 2026
Vendor
Claris
Product
FileMaker Server
Classifications
CWE-79, T1189
Attack vector
network
Privileges
unauthenticated

Timeline

How it unfolded

  1. Feb 24, 2026CVE publishedPublication date reported by the CVE source.
  2. Feb 24, 2026Record updatedLatest update available in the CVE record.

Exploitability

Present is not the same as exploitable

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Is a vulnerable build present?

Compare these published version ranges with your installed build and any vendor patches.

  1. Affected versionversion=unspecified <21.1.7
  2. Affected versionversion=unspecified <22.0.4

What conditions does exploitation require?

Attack vectornetwork
Required privilegesunauthenticated

What is affected?

Claris · FileMaker Serverversion=unspecified <21.1.7; version=unspecified <22.0.4

Published CVSS scores

6.1CISA-ADPCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

CVSS describes severity. EPSS estimates exploitation probability.

Attacks

What attackers are doing with it

Daily unique IPs observed by Shadowserver honeypots for known exploited vulnerabilities (KEVs). Missing observations do not establish an absence of attacks.

Daily unique IPsNo honeypot observations are available for this CVE in the selected window.

No observations available

Sep 9, 2026Sep 15, 2026
Latest reporting daySep 15, 2026
Latest daily unique IPsUnavailable
Prior 30-day averageUnavailable
SourceShadowserver honeypots (KEV)
Vectornetwork
Privilegesunauthenticated
Known exploitationUnconfirmed
Public exploitUnconfirmed

Weakness, pattern, technique

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
T1189Drive-by Compromise

Public exploit references

No public exploit references are available in this record.

Labels summarize the accepted research assessment. They do not indicate a test against your environment.

Technologies

Your stack

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Your stack

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