CVE-2021-33829
CVE-2021-33829
This page contains facts from public vulnerability sources. Check the original advisory before updating.
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.
CVSS 6.1 · Medium · EPSS 3.2% · Public exploit · Fix available
- Published
- Updated
Affected products and versions
n/a
- Versions
- n/a: Affected
No fix published
ckeditor Debian:12
- Affected ranges
- ECOSYSTEM: < 4.16.0+dfsg-2
Update to 4.16.0+dfsg-2
ckeditor3 Debian:12
- Versions
- 3.6.6.1+dfsg-7
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
ckeditor4 npm
- Affected ranges
- SEMVER: ≥ 4.14.0, < 4.16.1
Update to 4.16.1
drupal/core Packagist
- Affected ranges
- ECOSYSTEM: ≥ 7.0.0, < 7.80
Update to 7.80
drupal/core Packagist
- Versions
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.1.0
- 8.1.0-beta1
- 8.1.0-beta2
- 8.1.0-rc1
- 8.1.1
- 8.1.10
- 8.1.2
- 8.1.3
- 8.1.4
- 8.1.5
- 8.1.6
- 8.1.7
- 8.1.8
- 8.1.9
- 8.2.0
- 8.2.0-beta1
- 8.2.0-beta2
- 8.2.0-beta3
- 8.2.0-rc1
- 8.2.0-rc2
- 8.2.1
- 8.2.2
- 8.2.3
- 8.2.4
- 8.2.5
- 8.2.6
- 8.2.7
- 8.2.8
- 8.3.0
- 8.3.0-alpha1
- 8.3.0-beta1
- 8.3.0-rc1
- 8.3.0-rc2
- 8.3.1
- 8.3.2
- 8.3.3
- 8.3.4
- 8.3.5
- 8.3.6
- 8.3.7
- 8.3.8
- 8.3.9
- 8.4.0
- 8.4.0-alpha1
- 8.4.0-beta1
- 8.4.0-rc1
- 8.4.0-rc2
- 8.4.1
- 8.4.2
- 8.4.3
- 8.4.4
- 8.4.5
- 8.4.6
- 8.4.7
- 8.4.8
- 8.5.0
- 8.5.0-alpha1
- 8.5.0-beta1
- 8.5.0-rc1
- 8.5.1
- 8.5.10
- 8.5.11
- 8.5.12
- 8.5.13
- 8.5.14
- 8.5.15
- 8.5.2
- 8.5.3
- 8.5.4
- 8.5.5
- 8.5.6
- 8.5.7
- 8.5.8
- 8.5.9
- 8.6.0
- 8.6.0-alpha1
- 8.6.0-beta1
- 8.6.0-beta2
- 8.6.0-rc1
- 8.6.1
- 8.6.10
- 8.6.11
- 8.6.12
- 8.6.13
- 8.6.14
- 8.6.15
- 8.6.16
- 8.6.17
- 8.6.18
- 8.6.2
- 8.6.3
- 8.6.4
- 8.6.5
- 8.6.6
- 8.6.7
- 8.6.8
- 8.6.9
- 8.7.0
- 8.7.0-alpha1
- 8.7.0-alpha2
- 8.7.0-beta1
- 8.7.0-beta2
- 8.7.0-rc1
- 8.7.1
- 8.7.10
- 8.7.11
- 8.7.12
- 8.7.13
- 8.7.14
- 8.7.2
- 8.7.3
- 8.7.4
- 8.7.5
- 8.7.6
- 8.7.7
- 8.7.8
- 8.7.9
- 8.8.0
- 8.8.0-alpha1
- 8.8.0-beta1
- 8.8.0-rc1
- 8.8.1
- 8.8.10
- 8.8.11
- 8.8.12
- 8.8.2
- 8.8.3
- 8.8.4
- 8.8.5
- 8.8.6
- 8.8.7
- 8.8.8
- 8.8.9
- 8.9.0
- 8.9.0-beta1
- 8.9.0-beta2
- 8.9.0-beta3
- 8.9.0-rc1
- 8.9.1
- 8.9.10
- 8.9.11
- 8.9.12
- 8.9.13
- 8.9.14
- 8.9.15
- 8.9.2
- 8.9.3
- 8.9.4
- 8.9.5
- 8.9.6
- 8.9.7
- 8.9.8
- 8.9.9
- Affected ranges
- ECOSYSTEM: ≥ 8.0.0, < 8.9.16
Update to 8.9.16
drupal/core Packagist
- Versions
- 9.0.0
- 9.0.1
- 9.0.10
- 9.0.11
- 9.0.12
- 9.0.13
- 9.0.2
- 9.0.3
- 9.0.4
- 9.0.5
- 9.0.6
- 9.0.7
- 9.0.8
- 9.0.9
- Affected ranges
- ECOSYSTEM: ≥ 9.0.0, < 9.0.14
Update to 9.0.14
drupal/core Packagist
- Versions
- 9.1.0
- 9.1.1
- 9.1.2
- 9.1.3
- 9.1.4
- 9.1.5
- 9.1.6
- 9.1.7
- 9.1.8
- Affected ranges
- ECOSYSTEM: ≥ 9.1.0, < 9.1.9
Update to 9.1.9
drupal/drupal Packagist
- Affected ranges
- ECOSYSTEM: ≥ 7.0.0, < 7.80
Update to 7.80
drupal/drupal Packagist
- Versions
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.1.0
- 8.1.0-beta1
- 8.1.0-beta2
- 8.1.0-rc1
- 8.1.1
- 8.1.10
- 8.1.2
- 8.1.3
- 8.1.4
- 8.1.5
- 8.1.6
- 8.1.7
- 8.1.8
- 8.1.9
- 8.2.0
- 8.2.0-beta1
- 8.2.0-beta2
- 8.2.0-beta3
- 8.2.0-rc1
- 8.2.0-rc2
- 8.2.1
- 8.2.2
- 8.2.3
- 8.2.4
- 8.2.5
- 8.2.6
- 8.2.7
- 8.2.8
- 8.3.0
- 8.3.0-alpha1
- 8.3.0-beta1
- 8.3.0-rc1
- 8.3.0-rc2
- 8.3.1
- 8.3.2
- 8.3.3
- 8.3.4
- 8.3.5
- 8.3.6
- 8.3.7
- 8.3.8
- 8.3.9
- 8.4.0
- 8.4.0-alpha1
- 8.4.0-beta1
- 8.4.0-rc1
- 8.4.0-rc2
- 8.4.1
- 8.4.2
- 8.4.3
- 8.4.4
- 8.4.5
- 8.4.6
- 8.4.7
- 8.4.8
- 8.5.0
- 8.5.0-alpha1
- 8.5.0-beta1
- 8.5.0-rc1
- 8.5.1
- 8.5.10
- 8.5.11
- 8.5.12
- 8.5.13
- 8.5.14
- 8.5.15
- 8.5.2
- 8.5.3
- 8.5.4
- 8.5.5
- 8.5.6
- 8.5.7
- 8.5.8
- 8.5.9
- 8.6.0
- 8.6.0-alpha1
- 8.6.0-beta1
- 8.6.0-beta2
- 8.6.0-rc1
- 8.6.1
- 8.6.10
- 8.6.11
- 8.6.12
- 8.6.13
- 8.6.14
- 8.6.15
- 8.6.16
- 8.6.17
- 8.6.18
- 8.6.2
- 8.6.3
- 8.6.4
- 8.6.5
- 8.6.6
- 8.6.7
- 8.6.8
- 8.6.9
- 8.7.0
- 8.7.0-alpha1
- 8.7.0-alpha2
- 8.7.0-beta1
- 8.7.0-beta2
- 8.7.0-rc1
- 8.7.1
- 8.7.10
- 8.7.11
- 8.7.12
- 8.7.13
- 8.7.14
- 8.7.2
- 8.7.3
- 8.7.4
- 8.7.5
- 8.7.6
- 8.7.7
- 8.7.8
- 8.7.9
- 8.8.0
- 8.8.0-alpha1
- 8.8.0-beta1
- 8.8.0-rc1
- 8.8.1
- 8.8.10
- 8.8.11
- 8.8.12
- 8.8.2
- 8.8.3
- 8.8.4
- 8.8.5
- 8.8.6
- 8.8.7
- 8.8.8
- 8.8.9
- 8.9.0
- 8.9.0-beta1
- 8.9.0-beta2
- 8.9.0-beta3
- 8.9.0-rc1
- 8.9.1
- 8.9.10
- 8.9.11
- 8.9.12
- 8.9.13
- 8.9.14
- 8.9.15
- 8.9.2
- 8.9.3
- 8.9.4
- 8.9.5
- 8.9.6
- 8.9.7
- 8.9.8
- 8.9.9
- Affected ranges
- ECOSYSTEM: ≥ 8.0.0, < 8.9.16
Update to 8.9.16
drupal/drupal Packagist
- Versions
- 9.0.0
- 9.0.1
- 9.0.10
- 9.0.11
- 9.0.12
- 9.0.13
- 9.0.2
- 9.0.3
- 9.0.4
- 9.0.5
- 9.0.6
- 9.0.7
- 9.0.8
- 9.0.9
- Affected ranges
- ECOSYSTEM: ≥ 9.0.0, < 9.0.14
Update to 9.0.14
drupal/drupal Packagist
- Versions
- 9.1.0
- 9.1.1
- 9.1.2
- 9.1.3
- 9.1.4
- 9.1.5
- 9.1.6
- 9.1.7
- 9.1.8
- Affected ranges
- ECOSYSTEM: ≥ 9.1.0, < 9.1.9
Update to 9.1.9
drupal/core Packagist
- Versions
- 8.0.0
- 8.0.1
- 8.0.2
- 8.0.3
- 8.0.4
- 8.0.5
- 8.0.6
- 8.1.0
- 8.1.0-beta1
- 8.1.0-beta2
- 8.1.0-rc1
- 8.1.1
- 8.1.10
- 8.1.2
- 8.1.3
- 8.1.4
- 8.1.5
- 8.1.6
- 8.1.7
- 8.1.8
- 8.1.9
- 8.2.0
- 8.2.0-beta1
- 8.2.0-beta2
- 8.2.0-beta3
- 8.2.0-rc1
- 8.2.0-rc2
- 8.2.1
- 8.2.2
- 8.2.3
- 8.2.4
- 8.2.5
- 8.2.6
- 8.2.7
- 8.2.8
- 8.3.0
- 8.3.0-alpha1
- 8.3.0-beta1
- 8.3.0-rc1
- 8.3.0-rc2
- 8.3.1
- 8.3.2
- 8.3.3
- 8.3.4
- 8.3.5
- 8.3.6
- 8.3.7
- 8.3.8
- 8.3.9
- 8.4.0
- 8.4.0-alpha1
- 8.4.0-beta1
- 8.4.0-rc1
- 8.4.0-rc2
- 8.4.1
- 8.4.2
- 8.4.3
- 8.4.4
- 8.4.5
- 8.4.6
- 8.4.7
- 8.4.8
- 8.5.0
- 8.5.0-alpha1
- 8.5.0-beta1
- 8.5.0-rc1
- 8.5.1
- 8.5.10
- 8.5.11
- 8.5.12
- 8.5.13
- 8.5.14
- 8.5.15
- 8.5.2
- 8.5.3
- 8.5.4
- 8.5.5
- 8.5.6
- 8.5.7
- 8.5.8
- 8.5.9
- 8.6.0
- 8.6.0-alpha1
- 8.6.0-beta1
- 8.6.0-beta2
- 8.6.0-rc1
- 8.6.1
- 8.6.10
- 8.6.11
- 8.6.12
- 8.6.13
- 8.6.14
- 8.6.15
- 8.6.16
- 8.6.17
- 8.6.18
- 8.6.2
- 8.6.3
- 8.6.4
- 8.6.5
- 8.6.6
- 8.6.7
- 8.6.8
- 8.6.9
- 8.7.0
- 8.7.0-alpha1
- 8.7.0-alpha2
- 8.7.0-beta1
- 8.7.0-beta2
- 8.7.0-rc1
- 8.7.1
- 8.7.10
- 8.7.11
- 8.7.12
- 8.7.13
- 8.7.14
- 8.7.2
- 8.7.3
- 8.7.4
- 8.7.5
- 8.7.6
- 8.7.7
- 8.7.8
- 8.7.9
- 8.8.0
- 8.8.0-alpha1
- 8.8.0-beta1
- 8.8.0-rc1
- 8.8.1
- 8.8.10
- 8.8.11
- 8.8.12
- 8.8.2
- 8.8.3
- 8.8.4
- 8.8.5
- 8.8.6
- 8.8.7
- 8.8.8
- 8.8.9
- 8.9.0
- 8.9.0-beta1
- 8.9.0-beta2
- 8.9.0-beta3
- 8.9.0-rc1
- 8.9.1
- 8.9.10
- 8.9.11
- 8.9.12
- 8.9.13
- 8.9.14
- 8.9.15
- 8.9.2
- 8.9.3
- 8.9.4
- 8.9.5
- 8.9.6
- 8.9.7
- 8.9.8
- 8.9.9
- 9.0.0
- 9.0.1
- 9.0.10
- 9.0.11
- 9.0.12
- 9.0.13
- 9.0.2
- 9.0.3
- 9.0.4
- 9.0.5
- 9.0.6
- 9.0.7
- 9.0.8
- 9.0.9
- 9.1.0
- 9.1.1
- 9.1.2
- 9.1.3
- 9.1.4
- 9.1.5
- 9.1.6
- 9.1.7
- 9.1.8
- Affected ranges
- ECOSYSTEM: ≥ 8.0.0, < 8.9.16
- ECOSYSTEM: ≥ 9.0.0, < 9.0.14
- ECOSYSTEM: ≥ 9.1.0, < 9.1.9
Update to 8.9.16; Update to 9.0.14; Update to 9.1.9
ckeditor Ubuntu:Pro:16.04:LTS
- Versions
- 4.4.4+dfsg1-3
- 4.5.6+dfsg-1
- 4.5.7+dfsg-1
- 4.5.7+dfsg-2
- Affected ranges
- ECOSYSTEM: < 4.5.7+dfsg-2ubuntu0.16.04.1~esm1
Update to 4.5.7+dfsg-2ubuntu0.16.04.1~esm1
ckeditor Ubuntu:18.04:LTS
- Versions
- 4.5.7+dfsg-2
- Affected ranges
- ECOSYSTEM: < 4.5.7+dfsg-2ubuntu0.18.04.1
Update to 4.5.7+dfsg-2ubuntu0.18.04.1
ckeditor Ubuntu:20.04:LTS
- Versions
- 4.11.1+dfsg-1
- 4.12.1+dfsg-1
- Affected ranges
- ECOSYSTEM: < 4.12.1+dfsg-1ubuntu0.1
Update to 4.12.1+dfsg-1ubuntu0.1
Original sources
- https://www.drupal.org/sa-core-2021-003
- https://ckeditor.com/blog/ckeditor-4.16.1-with-accessibility-enhancements/#improvements-for-comments-in-html-parser
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
- https://lists.debian.org/debian-lts-announce/2021/11/msg00007.html
- https://nvd.nist.gov/vuln/detail/CVE-2021-33829