CVE-2026-104847
CVE-2026-104847 · ProseMirror: XSS vulnerability in prosemirror-view's paste handling
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ProseMirror's view component renders and manages the editable browser interface for ProseMirror documents. Prior to 1.42.3, prosemirror-view paste handling accepts attacker-provided HTML whose clipboard slice context contains attributes that are not passed through schema attribute validation. When a user pastes the crafted HTML into an editor, the unvalidated context attributes can construct content that executes attacker-controlled JavaScript in the browser window containing the editor. This issue is fixed in version 1.42.3.
CVSS 8.5 · Hoch · EPSS 0,3% · Korrektur verfügbar
- Veröffentlicht
- Aktualisiert
Technologie-Stack: node
Betroffene Produkte und Versionen
prosemirror-view
- Softwareversionen
- < 1.42.3: Betroffen
Keine Korrektur veröffentlicht
prosemirror-view npm
- Betroffene Versionsbereiche
- SEMVER: < 1.42.3
Auf 1.42.3 aktualisieren
Originalquellen
- https://github.com/ProseMirror/prosemirror-view/security/advisories/GHSA-c8x8-7fp4-3x9w
- https://github.com/ProseMirror/prosemirror-view/commit/20dc0a911a79f8fc6640dbbea5e7d68d3c4784b7
- https://github.com/ProseMirror/prosemirror-view/commit/2e91a612bbc1248e55b4f6061fc93fe459f977c1
- https://nvd.nist.gov/vuln/detail/CVE-2026-104847