CVE-2019-19329

Name: CVE-2019-19329
Creator: NVD / NIST
Published: 2019-11-27T16:15:11.66+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 1.42%

Last modified Jun 17, 2026

CVE-2019-19329 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. In Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07, when mathematical expressions in results are displayed directly, arbitrary JavaScript execution can occur, aka XSS. This was addressed by introducing MathJax as a new mathematics rendering engine. EPSS estimates a 1.42% chance of exploitation in the next 30 days.

Description

In Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07, when mathematical expressions in results are displayed directly, arbitrary JavaScript execution can occur, aka XSS. This was addressed by introducing MathJax as a new mathematics rendering engine. NOTE: this GUI code is no longer bundled with the Wikibase Wikidata Query Service snapshots, such as 0.3.6-SNAPSHOT.

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

1.42%

69.4th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Wikimedia	Wikidata Query Gui	<= 0.3.5
Wikimedia	Wikidata Query Gui	0.3.6

References

https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267Mailing List, Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/#/c/wikidata/query/gui/+/549457/Patch, Vendor Advisory
https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001492.htmlVendor Advisory
https://phabricator.wikimedia.org/T233213Exploit, Issue Tracking, Vendor Advisory
https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267Mailing List, Patch, Vendor Advisory
https://gerrit.wikimedia.org/r/#/c/wikidata/query/gui/+/549457/Patch, Vendor Advisory
https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001492.htmlVendor Advisory
https://phabricator.wikimedia.org/T233213Exploit, Issue Tracking, Vendor Advisory

Timeline

Published: Nov 27, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-19329?

How severe is CVE-2019-19329?

CVE-2019-19329 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 1.42% probability of exploitation in the next 30 days.

How do I fix CVE-2019-19329?

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-2019-19329?

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

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Source: NVD / NIST