CVE-2021-26272 — Vulnetix

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CVE-2021-26272 PUBLISHED

It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted URL-like text into the editor, and then press Enter or Space (in the Autolink plugin).

EPSS 0.50% · 65.8th percentile

Risk Scores

EPSS Score

0.50%

65.8th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:Pro:18.04:LTS	ckeditor	0, 4.5.7+dfsg-2, 4.5.7+dfsg-2ubuntu0.18.04.1
Ubuntu:Pro:16.04:LTS	ckeditor	4.5.7+dfsg-2ubuntu0.16.04.1~esm3, 0, *
Ubuntu:Pro:20.04:LTS	ckeditor	0, 4.11.1+dfsg-1, 4.12.1+dfsg-1

Timeline

Jan 26, 2021 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Dec 25, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Nov 1, 2022 EPSS Score
Jan 2, 2023 EPSS Score

References

https://ubuntu.com/security/CVE-2021-26272 third-party-advisory
https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416 third-party-advisory
https://www.cve.org/CVERecord?id=CVE-2021-26272 third-party-advisory

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