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  5. CVE-2021-26272

CVE-2021-26272: Inclusion of Functionality from Untrusted Control Sphere

January 26, 2021 (updated March 1, 2022)

It was possible to execute a ReDoS-type attack inside CKEditor 4 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).

References

  • nvd.nist.gov/vuln/detail/CVE-2021-26272

Code Behaviors & Features

Detect and mitigate CVE-2021-26272 with GitLab Dependency Scanning

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Affected versions

All versions starting from 4.0 before 4.16

Fixed versions

  • 4.16

Solution

Upgrade to version 4.16 or higher

Impact 6.5 MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Learn more about CVSS

Weakness

  • CWE-829: Inclusion of Functionality from Untrusted Control Sphere

Source file

npm/ckeditor/CVE-2021-26272.yml

Spotted a mistake? Edit the file on GitLab.

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