The VisualEditor extension through 1.34 for MediaWiki allows XSS via pasted content…
Priority LOW 28CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.
Summary
The VisualEditor extension through 1.34 for MediaWiki allows XSS via pasted content containing an element with a data-ve-clipboard-key attribute.
Why it matters now
EPSS 0.00716 54th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 2 products
- Red Hat OpenShift Container Platform 3.11
- Red Hat OpenShift Container Platform 4
Timeline
- 2026-10-02 Threatist record created from CVE-2019-19708
- 2026-10-03 Alias added: GHSA-8mgg-gfxm-vwwc
References
More mediawiki Visual Editor vulnerabilities
- TI-2025-38090 XSS when pasting into VE CVSS 4.0N/A 0.0
- TI-2025-38089 Stored XSS through system messages in VisualEditor CVSS 4.0N/A 0.0
Sources
- CVE-2019-19708 · CVE Program
- CVE-2019-19708 · NVD
- FIRST EPSS
- GHSA-8mgg-gfxm-vwwc · GitHub Advisory Database · CC BY 4.0
- CVE-2019-19708 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences