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Cross-site Scripting in Apereo CAS

Moderate severity GitHub Reviewed Published Dec 10, 2021 to the GitHub Advisory Database • Updated Apr 3, 2023

Package

maven org.apereo.cas:cas-server-core-web (Maven)

Affected versions

< 6.4.2

Patched versions

6.4.2

Description

Apereo CAS through 6.4.1 allows XSS via POST requests sent to the REST API endpoints.

References

Published by the National Vulnerability Database Dec 7, 2021
Reviewed Dec 8, 2021
Published to the GitHub Advisory Database Dec 10, 2021
Last updated Apr 3, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(98th percentile)

Weaknesses

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Learn more on MITRE.

CVE ID

CVE-2021-42567

GHSA ID

GHSA-gfhx-jjwq-63gv

Source code

Credits

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