ruby-advisory-db/gems/ckeditor/CVE-2021-32809.yml at 8430608f6140ed4a1030dab8595b47e995869e0b · jasnow/ruby-advisory-db · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
---
gem: ckeditor
cve: 2021-32809
ghsa: 7889-rm5j-hpgg
url: https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg
title: Clipboard feature vulnerability allowing to inject arbitrary HTML into the
  editor using paste functionality
date: 2021-08-23
description: |
  ### Affected packages
  The vulnerability has been discovered in [clipboard](https://ckeditor.com/cke4/addon/clipboard) plugin. All plugins with [clipboard](https://ckeditor.com/cke4/addon/clipboard) plugin dependency are affected:

  * [clipboard](https://ckeditor.com/cke4/addon/clipboard)
  * [pastetext](https://ckeditor.com/cke4/addon/pastetext)
  * [pastetools](https://ckeditor.com/cke4/addon/pastetools)
  * [widget](https://ckeditor.com/cke4/addon/widget)
  * [uploadwidget](https://ckeditor.com/cke4/addon/uploadwidget)
  * [autolink](https://ckeditor.com/cke4/addon/autolink)
  * [tableselection](https://ckeditor.com/cke4/addon/tableselection)

  ### Impact
  A potential vulnerability has been discovered in CKEditor 4 [Clipboard](https://ckeditor.com/cke4/addon/clipboard) package. The vulnerability allowed to abuse paste functionality using malformed HTML, which could result in injecting arbitrary HTML into the editor. It affects all users using the CKEditor 4 plugins listed above at version >= 4.5.2.

  ### Patches
  The problem has been recognized and patched. The fix will be available in version 4.16.2.

  ### For more information
  Email us at security@cksource.com if you have any questions or comments about this advisory.

  ### Acknowledgements
  The CKEditor 4 team would like to thank Anton Subbotin ([skavans](https://github.com/skavans)) for recognizing and reporting this vulnerability.
cvss_v3: 4.6
unaffected_versions:
  - "< 4.1.2"
patched_versions:
  - ">= 5.1.2"
related:
  url:
    - https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpgg
    - https://nvd.nist.gov/vuln/detail/CVE-2021-32809
    - https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NYA354LJP47KCVJMTUO77ZCX3ZK42G3T/
    - https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UVOYN2WKDPLKCNILIGEZM236ABQASLGW/
    - https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/WAGNWHFIQAVCP537KFFS2A2GDG66J7XD/
    - https://www.oracle.com/security-alerts/cpuoct2021.html
    - https://www.oracle.com/security-alerts/cpujan2022.html
    - https://github.com/advisories/GHSA-7889-rm5j-hpgg