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CVE-2026-54756GHSA-5957-5C94-3V7W

Jodit Editor: Prototype pollution via Jodit.configure() / ConfigMerge

Published
Last modified
published
Not listed in CISA KEV
Fix
Fixed in 4.12.18
None on Exploit-DB, Metasploit or GitHub
  • Exploitation: poc
  • Automatable: no
  • Technical impact: total

Summary

Jodit Editor is a WYSIWYG editor with written in pure TypeScript file and image editing capabilities. In versions prior to 4.12.18, Jodit.configure(options) — and the internal ConfigMerge / ConfigProto helpers — merged user-supplied options into the editor configuration without filtering prototype-mutating keys, potentially causing a Prototype Pollution vulnerability. A payload nested under an existing plain-object option such as controls could reach and mutate Object.prototype. Applications that pass user-controlled or partially user-controlled configuration into Jodit.configure() may be vulnerable. This issue was fixed in version 4.12.18.

Timeline

  1. CVE published
  2. CISA SSVC assessment

    Exploitation: poc · Automatable: no · Technical impact: total

  3. Record last updated

Affected versions

  • xdan jodit

    fixed in 4.12.18

  • joditnpm

    fixed in 4.12.18

References 1

GitHub · xdan/jodit