CVE-2026-104847: ProseMirror has a XSS vulnerability in prosemirror-view's paste handling
When a user pastes attacker-provided HTML into a ProseMirror editor component, this can cause attacker-controlled JavaScript code to run in the browser window containing the editor.
References
- github.com/ProseMirror/prosemirror-view/commit/20dc0a911a79f8fc6640dbbea5e7d68d3c4784b7
- github.com/ProseMirror/prosemirror-view/commit/2e91a612bbc1248e55b4f6061fc93fe459f977c1
- github.com/ProseMirror/prosemirror-view/security/advisories/GHSA-c8x8-7fp4-3x9w
- github.com/advisories/GHSA-c8x8-7fp4-3x9w
- nvd.nist.gov/vuln/detail/CVE-2026-104847
Code Behaviors & Features
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