CVE-2019-19329

Severity: medium (CVSS 6.1 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2019-11-27 · updated 2026-06-17
Weakness: CWE-79

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.

Affected products

Wikimedia Wikidata Query Gui: through 0.3.5; 0.3.6, 0.3.6-2019-11-07

References

https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267
https://gerrit.wikimedia.org/r/#/c/wikidata/query/gui/+/549457/
https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001492.html
https://phabricator.wikimedia.org/T233213
https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267
https://gerrit.wikimedia.org/r/#/c/wikidata/query/gui/+/549457/
https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001492.html
https://phabricator.wikimedia.org/T233213

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