Published: 26/01/2021 Updated: 20/07/2021
CVSS v2 Base Score: 4.3 | Impact Score: 2.9 | Exploitability Score: 8.6
CVSS v3 Base Score: 6.5 | Impact Score: 3.6 | Exploitability Score: 2.8
Vector: AV:N/AC:M/Au:N/C:N/I:N/A:P

Vulnerability Summary

It was possible to execute a ReDoS-type attack inside CKEditor 4 prior to 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).

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ckeditor ckeditor

Vendor Advisories

Debian Bug report logs - #982587 ckeditor: CVE-2021-26271 CVE-2021-26272 Package: src:ckeditor; Maintainer for src:ckeditor is Debian Javascript Maintainers <pkg-javascript-devel@listsaliothdebianorg>; Reported by: Salvatore Bonaccorso <carnil@debianorg> Date: Fri, 12 Feb 2021 07:45:01 UTC Severity: important Tag ...
Muliple CKEditor vulnerablities affect IBM Control Center See vulnerability details for descriptions ...