CVE-2021-33829
CVSS V2 Medium 4.3
CVSS V3 Medium 6.1
Description
A cross-site scripting (XSS) vulnerability in the HTML Data Processor in CKEditor 4 4.14.0 through 4.16.x before 4.16.1 allows remote attackers to inject executable JavaScript code through a crafted comment because --!> is mishandled.
Overview
- CVE ID
- CVE-2021-33829
- Assigner
- cve@mitre.org
- Vulnerability Status
- Analyzed
- Published Version
- 2021-06-09T12:15:07
- Last Modified Date
- 2021-11-23T21:32:31
Weakness Enumerations
CPE Configuration (Product)
| CPE | Vulnerable | Operator | Version Start | Version End |
|---|---|---|---|---|
| cpe:2.3:a:ckeditor:ckeditor:*:*:*:*:*:*:*:* | 1 | OR | 4.14.0 | 4.16.1 |
| cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:* | 1 | OR | ||
| cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* | 1 | OR | 8.9.0 | 8.9.16 |
| cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* | 1 | OR | 9.0.0 | 9.0.14 |
| cpe:2.3:a:drupal:drupal:*:*:*:*:*:*:*:* | 1 | OR | 9.1.0 | 9.1.9 |
| cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | 1 | OR |
CVSS Version 2
- Version
- 2.0
- Vector String
- AV:N/AC:M/Au:N/C:N/I:P/A:N
- Access Vector
- NETWORK
- Access Compatibility
- MEDIUM
- Authentication
- NONE
- Confidentiality Impact
- NONE
- Integrity Impact
- PARTIAL
- Availability Impact
- NONE
- Base Score
- 4.3
- Severity
- MEDIUM
- Exploitability Score
- 8.6
- Impact Score
- 2.9
CVSS Version 3
- Version
- 3.1
- Vector String
- CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
- Attack Vector
- NETWORK
- Attack Compatibility
- LOW
- Privileges Required
- NONE
- User Interaction
- REQUIRED
- Scope
- CHANGED
- Confidentiality Impact
- LOW
- Availability Impact
- NONE
- Base Score
- 6.1
- Base Severity
- MEDIUM
- Exploitability Score
- 2.8
- Impact Score
- 2.7
References
| Reference URL | Reference Tags |
|---|---|
| https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser | Patch Release Notes Vendor Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/ | Mailing List Third Party Advisory |
| https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/ | Mailing List Third Party Advisory |
| https://www.drupal.org/sa-core-2021-003 | Patch Third Party Advisory |
| https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html | Mailing List Third Party Advisory |
Sources
| Source Name | Source URL |
|---|---|
| NIST | https://nvd.nist.gov/vuln/detail/CVE-2021-33829 |
| MITRE | https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33829 |
History
| Created | Old Value | New Value | Data Type | Notes |
|---|---|---|---|---|
| 2022-05-10 06:45:10 | Added to TrackCVE | |||
| 2022-12-05 03:55:44 | 2021-06-09T12:15Z | 2021-06-09T12:15:07 | CVE Published Date | updated |
| 2022-12-05 03:55:44 | 2021-11-23T21:32:31 | CVE Modified Date | updated | |
| 2022-12-05 03:55:44 | Analyzed | Vulnerability Status | updated |