VDB
CVE-2021-26271
CVE-2021-26271
PUBLISHED
CVSS 6.5 MEDIUM
It was possible to execute a ReDoS-type attack inside CKEditor 4 before 4.16 by persuading a victim to paste crafted text into the Styles input of specific dialogs (in the Advanced Tab for Dialogs plugin).
EPSS 1.97% · 79.7th percentile
Risk Scores
CVSS 3.1
6.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS Score
1.97%
79.7th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:Pro:18.04:LTS | ckeditor | 0, 4.5.7+dfsg-2ubuntu0.18.04.1+esm2, 4.5.7+dfsg-2ubuntu0.18.04.1+esm1 |
| Ubuntu:Pro:20.04:LTS | ckeditor | *, 0, 4.12.1+dfsg-1ubuntu0.1 |
| Ubuntu:Pro:16.04:LTS | ckeditor | 4.5.7+dfsg-2, 4.5.6+dfsg-1, 4.4.4+dfsg1-3 |
Timeline
- Jan 26, 2021 CVE Published
- Apr 14, 2021 EPSS Score
- Jun 23, 2021 EPSS Score
- Aug 25, 2021 EPSS Score
- Dec 29, 2021 EPSS Score
- Jan 6, 2022 EPSS Score
- Mar 2, 2022 EPSS Score
- Apr 1, 2022 EPSS Score
- May 4, 2022 EPSS Score
- Sep 8, 2022 EPSS Score
- Nov 10, 2022 EPSS Score
- Jan 12, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2021-26271 third-party-advisory
- https://github.com/ckeditor/ckeditor4/blob/major/CHANGES.md#ckeditor-416 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2021-26271 third-party-advisory