What is CVE-2021-33192?

CVE-2021-33192 is a medium-severity vulnerability in Apache Jena Fuseki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-05.

How severe is CVE-2021-33192?

Medium severity. CVSS v3 base score is 6.1 out of 10.

XSS in Apache Jena Fuseki

CVE-2021-33192

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).

Vulnerability class: XSS (Cross-Site Scripting)

Published 2021-07-05 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.029 (86.7th percentile), scored 2026-10-22.

Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 86.7% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.029 · newest: 0.029 · change: 0.000

Affected products

Apache Jena Fuseki
Apache Software Foundation Jena Fuseki — versions Apache Jena Fuseki2 2.0.0 to 4.0.0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

lists.apache.org/thread.html/r684d8943d755a96fe90f8cd8df196737b6bde3f2b74e15a9b… (Mailing List, Vendor Advisory)

Frequently asked questions

What is CVE-2021-33192?: CVE-2021-33192 is a medium-severity vulnerability in Apache Jena Fuseki, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-07-05.
How severe is CVE-2021-33192?: Medium severity. CVSS v3 base score is 6.1 out of 10.