Vulnerability Monitor

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CVE-2019-19329

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.

Security Impact Summary

This vulnerability carries a MEDIUM severity rating with a CVSS v3.1 score of 6.1, indicating it can be exploited remotely over the network with relatively low complexity though user interaction is required and does not require pre-existing privileges . The vulnerability impacts limited data confidentiality, limited integrity, for affected systems. Impacting 1 product from wikimedia organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-11-27T16:15:11.660

Last Modified

2026-06-17T02:26:30.690

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 6.1 (MEDIUM)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:N/I:P/A:N

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: PARTIAL
Availability Impact: NONE

Exploitability Score

8.6

Impact Score

2.9

Weaknesses

Type: Primary
CWE-79

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	wikimedia	wikidata_query_gui	≤ 0.3.5	Yes
Application	wikimedia	wikidata_query_gui	0.3.6	Yes
Application	wikimedia	wikidata_query_gui	0.3.6	Yes

References

https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267 Mailing List, Patch, Vendor Advisory ([email protected])
https://gerrit.wikimedia.org/r/#/c/wikidata/query/gui/+/549457/ Patch, Vendor Advisory ([email protected])
https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001492.html Vendor Advisory ([email protected])
https://phabricator.wikimedia.org/T233213 Exploit, Issue Tracking, Vendor Advisory ([email protected])
https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267 Mailing List, Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://gerrit.wikimedia.org/r/#/c/wikidata/query/gui/+/549457/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001492.html Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://phabricator.wikimedia.org/T233213 Exploit, Issue Tracking, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For wikimedia's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.