How severe is CVE-2024-27794?

CVE-2024-27794 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2024-27794 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2024-27794?

CVE-2024-27794 affects Claris Filemaker Server. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2024-27794?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2024-27794 have an EU (EUVD) identifier?

Yes. CVE-2024-27794 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24987.

When was CVE-2024-27794 published?

CVE-2024-27794 was published on 2024-04-15 and last updated on 2026-06-17.

CVE-2024-27794

CVE-2024-27794 is a medium-severity vulnerability in Claris Filemaker Server with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
EPSS exploit prediction: 0% (23rd percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2024-24987
Weakness: CWE-79
Affected product: Claris Filemaker Server
Published: 2024-04-15
Last modified: 2026-06-17

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.

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.
How severe is CVE-2024-27794?: CVE-2024-27794 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2024-27794 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (23rd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2024-27794?: CVE-2024-27794 affects Claris Filemaker Server. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2024-27794?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2024-27794 have an EU (EUVD) identifier?: Yes. CVE-2024-27794 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-24987.
When was CVE-2024-27794 published?: CVE-2024-27794 was published on 2024-04-15 and last updated on 2026-06-17.

References

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

Affected products (1)

cpe:2.3:a:claris:filemaker_server:*:*:*:*:*:*:*:*

More vulnerabilities in Claris Filemaker Server

CVE-2025-46295 — Critical (CVSS 9.8): Apache Commons Text versions prior to 1.10.0 included interpolation features that could be abused when applications…
CVE-2024-27790 — High (CVSS 7.5): Claris International has resolved an issue of potentially allowing unauthorized access to records stored in databases…
CVE-2025-46320 — Medium (CVSS 6.1): A cross-site scripting (XSS) vulnerability in a FileMaker WebDirect custom homepage could lead to unauthorized access…
CVE-2021-44147 — Medium (CVSS 5.5): An XML External Entity issue in Claris FileMaker Pro and Server (including WebDirect) before 19.4.1 allows a remote…
CVE-2025-46296 — Medium (CVSS 5.4): An authorization bypass vulnerability in FileMaker Server Admin Console allowed administrator roles with minimal…
CVE-2025-46294 — Medium (CVSS 5.3): To enhance security, the FileMaker Server 22.0.4 installer now includes an option to disable IIS short filename…

All CVEs affecting Claris Filemaker Server →

Other CWE-79 (Cross-site Scripting (XSS)) vulnerabilities

CVE-2025-49410 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Imran Emu TC…
CVE-2024-47875 — Critical (CVSS 10.0): DOMPurify is a DOM-only, super-fast, uber-tolerant XSS sanitizer for HTML, MathML and SVG. DOMpurify was vulnerable to…
CVE-2024-6886 — Critical (CVSS 10.0): Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Gitea…
CVE-2023-45144 — Critical (CVSS 10.0): com.xwiki.identity-oauth:identity-oauth-ui is a package to aid in building identity and service providers based on…
CVE-2023-45138 — Critical (CVSS 10.0): Change Request is an pplication allowing users to request changes on a wiki without publishing the changes directly.…
CVE-2022-4361 — Critical (CVSS 10.0): Keycloak, an open-source identity and access management solution, has a cross-site scripting (XSS) vulnerability in the…

Browse all CWE-79 (Cross-site Scripting (XSS)) vulnerabilities →