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.
Conclusion & alert: CVE-2019-19329 is rated Exploit Available (59.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.34%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-03-22 | 0.41% | 0.34% | -0.07% |
| 2 | 2025-11-21 | 0.66% | 0.41% | -0.26% |
| 3 | 2025-11-18 | — | 0.66% | — |
Full EPSS history (15 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wikimedia | wikidata_query_gui | <= 0.3.5 | cpe:2.3:a:wikimedia:wikidata_query_gui:*:*:*:*:*:*:*:* |
| wikimedia | wikidata_query_gui | 0.3.6 | cpe:2.3:a:wikimedia:wikidata_query_gui:0.3.6:-:*:*:*:*:*:* |
| wikimedia | wikidata_query_gui | 0.3.6 | cpe:2.3:a:wikimedia:wikidata_query_gui:0.3.6:2019-11-07:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://gerrit.wikimedia.org/g/wikidata/query/gui/+/d9f964b88c01748e278ca8c4b8929a8ef0ef0267 | Mailing 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.html | Vendor Advisory |
| https://phabricator.wikimedia.org/T233213 | Exploit Issue Tracking Vendor Advisory |