CVE-2020-10748

Name: CVE-2020-10748
Creator: NVD / NIST
Published: 2020-09-16T18:15:12.547+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 0.93%

Last modified Jun 17, 2026

CVE-2020-10748 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks.. EPSS estimates a 0.93% chance of exploitation in the next 30 days.

Description

A flaw was found in Keycloak's data filter, in version 10.0.1, where it allowed the processing of data URLs in some circumstances. This flaw allows an attacker to conduct cross-site scripting or further attacks.

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

0.93%

56.1th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Redhat	Keycloak	10.0.1
Redhat	Single Sign-On	< 7.4.1

References

https://bugzilla.redhat.com/show_bug.cgi?id=1836786Issue Tracking, Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1836786Issue Tracking, Vendor Advisory

Timeline

Published: Sep 16, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-10748?

How severe is CVE-2020-10748?

CVE-2020-10748 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 0.93% probability of exploitation in the next 30 days.

How do I fix CVE-2020-10748?

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-2020-10748?

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

Scan your code now

Source: NVD / NIST