CVE-2021-33192: Display information UI XSS

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.9% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-07-05 · updated 2026-06-17
Weakness: CWE-79

Description

A vulnerability in the HTML pages of Apache Jena Fuseki allows an attacker to execute arbitrary javascript on certain page views. This issue affects Apache Jena Fuseki from version 2.0.0 to version 4.0.0 (inclusive).

Affected products

Apache Software Foundation Apache Jena Fuseki: from 2.0.0 before 4.1.0 — fixed in 4.1.0

How to fix

Upgrade to a fixed version: Apache Software Foundation Apache Jena Fuseki 4.1.0. Check the vendor advisory for mitigations.

References

https://lists.apache.org/thread.html/r684d8943d755a96fe90f8cd8df196737b6bde3f2b74e15a9bd479975%40%3Cusers.jena.apache.org%3E
https://lists.apache.org/thread.html/r684d8943d755a96fe90f8cd8df196737b6bde3f2b74e15a9bd479975%40%3Cusers.jena.apache.org%3E

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