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Vulnerability advisory

CVE-2021-32808

Published Updated OSV record ↗

Also known as GHSA-6226-h7ff-ch6c

Severity
  • CVSS 3.xCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Affected versions

Repository

Affected commitsFixed by commit
GIT github.com/ckeditor/ckeditor4 ↗
af6f5152347bcecd5feb6a89a5b7882cc99292a3 to before 4e64f672190a14d3c38aebd94ae4fb10c79e45454e64f672190a14d3c38aebd94ae4fb10c79e4545
GIT github.com/ckeditor/ckeditor4-releases ↗
cf60389742771d1f1a2ae2c8cc27a69fd93d3fe9 to before 0919c6a34271f9776c495e78deff75ffefe52b620919c6a34271f9776c495e78deff75ffefe52b62
Also listed as affected (8)
  • standard/4.16.1
  • standard/4.16.0
  • standard/4.15.1
  • standard/4.15.0
  • standard/4.14.1
  • standard/4.14.0
  • standard/4.13.1
  • standard/4.13.0

Description

ckeditor is an open source WYSIWYG HTML editor with rich content support. A vulnerability has been discovered in the clipboard Widget plugin if used alongside the undo feature. The vulnerability allows a user to abuse undo functionality using malformed widget HTML, which could result in executing JavaScript code. It affects all users using the CKEditor 4 plugins listed above at version >= 4.13.0. The problem has been recognized and patched. The fix will be available in version 4.16.2.

References

  • Codex
  • Claude Code
  • VS Code
  • GitHub Copilot
  • Cursor
  • Cline
  • Windsurf
  • Google Anti-gravity
  • OpenCode
  • Pi
  • Gemini CLI
  • Hermes Agent
  • Zed
  • Junie
  • Qwen Code
  • Kiro
  • Kilo Code
  • Factory Droid

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