CVE-2024-27794: filemaker server XSS — Fix

Description

Claris FileMaker Server before version 20.3.2 was susceptible to a reflected Cross-Site Scripting vulnerability due to an improperly handled parameter in the FileMaker WebDirect login endpoint. The vulnerability was resolved in FileMaker Server 20.3.2 by escaping the HTML contents of the login error message on the login page.

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CVSS v3.1 Score

6.1

MEDIUM

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

Weakness Type (CWE)

CWE-79 Cross-site Scripting (XSS)

Affected Products

Vendor	Product	Versions
claris	filemaker_server	< 20.3.2

References

Advisories & Patches

https://support.claris.com/s/article/Security-Vulnerability-in-Claris-FileMaker-Server?language=en_US https://support.claris.com/s/article/Security-Vulnerability-in-Claris-FileMaker-Server?language=en_US

Frequently Asked Questions

What is CVE-2024-27794? +

Claris FileMaker Server before version 20.3.2 was susceptible to a reflected Cross-Site Scripting vulnerability due to an improperly handled parameter in the FileMaker WebDirect login endpoint. The vulnerability was resolved in FileMaker Server 20.3.2 by escaping the HTML contents of the login error message on the login page. It has a CVSS v3.1 base score of 6.1 (MEDIUM).

How severe is CVE-2024-27794? +

CVE-2024-27794 has a CVSS v3.1 score of 6.1 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.

What products are affected by CVE-2024-27794? +

CVE-2024-27794 affects products from claris, specifically: filemaker_server. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2024-27794? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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CVE-2024-27794