Security readout for executives and security teams
Plain-English summary
CVE-2019-19328 affects older Wikibase Wikidata Query Service GUI tooltip code. It could allow injected HTML to appear in entity tooltips. Business urgency depends on whether an organization still hosts that legacy GUI. The CVE notes this GUI is no longer bundled with later service snapshots, reducing default exposure.
Executive priority
Treat as a targeted legacy exposure check, not a broad emergency. Prioritize internet-facing WDQS GUI instances and forks. Escalate only if the affected GUI remains deployed and accepts untrusted entity content.
Technical view
The issue is in ui/editor/tooltip/Rdf.js in Wikibase Wikidata Query Service GUI before 0.3.6-SNAPSHOT dated 2019-11-07. The reported behavior is HTML injection in entity tooltips. The provided sources do not include CVSS, CWE, proof of exploitation, or detailed impact beyond tooltip HTML injection.
Likely exposure
Likely limited to deployments that retained or separately deployed the older Wikidata Query Service GUI code before 0.3.6-SNAPSHOT 2019-11-07. Standard later snapshots may not include this GUI code, per the CVE note.
Exploitation context
No source in the bundle reports active exploitation, KEV listing, or public weaponization. The available evidence supports an HTML injection flaw in legacy GUI tooltip rendering, but does not establish broader compromise impact.
Researcher notes
Evidence is sparse: no CVSS, CWE, exploit status, or detailed patch notes are included in the bundle. The clearest anchors are the affected file, version cutoff, HTML-in-tooltip behavior, and note that the GUI was removed from later snapshots.
Mitigation direction
- Identify whether the legacy WDQS GUI is deployed or bundled locally.
- Upgrade away from versions before 0.3.6-SNAPSHOT 2019-11-07 where applicable.
- Confirm whether the GUI code is still separately hosted or forked.
- Review Wikimedia vendor guidance and referenced Gerrit changes before remediation.
- Retire exposed legacy GUI deployments if no longer required.
Validation and detection
- Inventory public and internal WDQS GUI instances.
- Check deployed GUI code for ui/editor/tooltip/Rdf.js provenance.
- Verify whether the 2019-11-07 fix or later code is present.
- Review entity tooltip rendering for untrusted HTML handling.
- Confirm later snapshots no longer bundle the affected GUI code.
Public sources used
Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.
Conservative CVE-to-ATT&CK context
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ATT&CK lookup starting points
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CVE-2019-19328 mapping review
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Open ATT&CK lookup- Severity
- Unknown
- CVSS
- Not scored
- Known Exploited
- No
- Published
CNA and ADP enrichment extracted from CVE v5
These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.
CVSS and timeline data
No CVSS vectors or timeline events were available in the normalized CVE source material.
Source materials
- CVE List V5 sourceCVE List V5
- https://gerrit.wikimedia.org/r/#/c/553311/CVE reference · x_refsource_MISC
- https://lists.wikimedia.org/pipermail/wikidata-tech/2019-November/001503.htmlCVE reference · x_refsource_MISC
- https://gerrit.wikimedia.org/g/wikidata/query/gui/+/270f833cff8fdc1e050230ecc9f7dfc4d090d90dCVE reference · x_refsource_MISC
Products and packages named in the record
CWE details
CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.