CVE-2020-9281
Publication date 7 March 2020
Last updated 25 August 2025
Ubuntu priority
Cvss 3 Severity Score
Description
A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows remote attackers to inject arbitrary web script through a crafted "protected" comment (with the cke_protected syntax).
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| ckeditor | 22.04 LTS jammy |
Not affected
|
| 20.04 LTS focal |
Fixed 4.12.1+dfsg-1ubuntu0.1
|
|
| 18.04 LTS bionic |
Fixed 4.5.7+dfsg-2ubuntu0.18.04.1
|
|
| 16.04 LTS xenial |
Fixed 4.5.7+dfsg-2ubuntu0.16.04.1~esm1
|
|
| 14.04 LTS trusty | Not in release |
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| Parameter | Value |
|---|---|
| Base score |
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | Required |
| Scope | Changed |
| Confidentiality | Low |
| Integrity impact | Low |
| Availability impact | None |
| Vector | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
References
Related Ubuntu Security Notices (USN)
- USN-5340-1
- CKEditor vulnerabilities
- 22 March 2022
- USN-5340-2
- CKEditor vulnerabilities
- 23 March 2022