How severe is CVE-2019-19329?

CVE-2019-19329 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.

Is CVE-2019-19329 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-19329?

CVE-2019-19329 primarily affects Wikimedia Wikidata Query Gui. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-19329?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

When was CVE-2019-19329 published?

CVE-2019-19329 was published on 2019-11-27 and last updated on 2026-06-17.

CVE-2019-19329

CVE-2019-19329 is a medium-severity vulnerability in Wikimedia Wikidata Query Gui with a CVSS 3.x base score of 6.1. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Medium (CVSS 3.x base score 6.1)
CVSS v2: 4.3
EPSS exploit prediction: 1% (70th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Wikimedia Wikidata Query Gui
Published: 2019-11-27
Last modified: 2026-06-17

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.

Frequently asked questions

What is 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.
How severe is CVE-2019-19329?: CVE-2019-19329 has a CVSS 3.x base score of 6.1, rated medium severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is low, integrity low, and availability none.
Is CVE-2019-19329 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (70th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-19329?: CVE-2019-19329 primarily affects Wikimedia Wikidata Query Gui. In total, 3 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2019-19329?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2019-19329 published?: CVE-2019-19329 was published on 2019-11-27 and last updated on 2026-06-17.

References

Affected products (3)

cpe:2.3:a:wikimedia:wikidata_query_gui:*:*:*:*:*:*:*:*
cpe:2.3:a:wikimedia:wikidata_query_gui:0.3.6:-:*:*:*:*:*:*
cpe:2.3:a:wikimedia:wikidata_query_gui:0.3.6:2019-11-07:*:*:*:*:*:*

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CVE-2019-19328 — Medium (CVSS 6.1): ui/editor/tooltip/Rdf.js in Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07 allows HTML injection…
CVE-2019-19327 — Medium (CVSS 6.1): ui/ResultView.js in Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT 2019-11-07 allows HTML injection when…

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