CVE-2020-24301

Name: CVE-2020-24301
Creator: NVD / NIST
Published: 2020-10-08T14:15:12.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.94%

Last modified Jun 17, 2026

CVE-2020-24301 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. Users of the HAPI FHIR Testpage Overlay 5.0.0 and below can use a specially crafted URL to exploit an XSS vulnerability in this module, allowing arbitrary JavaScript to be executed in the user's browser. The impact of this vulnerability is believed to be low, as this module is intended for testing and not believed to be widely used for any production purposes.. EPSS estimates a 0.94% chance of exploitation in the next 30 days.

Description

Users of the HAPI FHIR Testpage Overlay 5.0.0 and below can use a specially crafted URL to exploit an XSS vulnerability in this module, allowing arbitrary JavaScript to be executed in the user's browser. The impact of this vulnerability is believed to be low, as this module is intended for testing and not believed to be widely used for any production purposes.

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

0.94%

56.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Hapifhir	Testpage Overlay	<= 5.0.0

References

https://github.com/jamesagnew/hapi-fhir/issues/2026Exploit, Third Party Advisory
https://github.com/jamesagnew/hapi-fhir/issues/2026Exploit, Third Party Advisory

Timeline

Published: Oct 8, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-24301?

How severe is CVE-2020-24301?

CVE-2020-24301 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.94% probability of exploitation in the next 30 days.

How do I fix CVE-2020-24301?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-24301?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST