CVE-2021-32809CWE-94

Arbitrary HTML injection vulnerability in ckeditor

Medium · published August 12, 2021

CVSS v3.1
4.6
EPSS
1%
Percentile
67.7
In the wild
Unconfirmed
What it is

ckeditor is an open source WYSIWYG HTML editor with rich content support. 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. The problem has been recognized and patched. The fix will be available in version 4.16.2.

The record
Technical detail
CVSS v3.1
4.6 · MEDIUM
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
CVSS v4.0
Not supplied
EPSS
0.01188 · 67.7th percentile
Weakness
CWE-94 · Improper Control of Generation of Code ('Code Injection')
Published
2021-08-12T17:10Z
EPSS history
Timeline
  • 12 AUG 17:10Z
    Arbitrary HTML injection vulnerability in ckeditor
    cvelistv5