CVE-2021-32809 Arbitrary HTML injection vulnerability in ckeditor

2021-08-1217:10:09

CWE-94

GitHub_M

www.cve.org

4.6 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

LOW

Integrity Impact

LOW

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

6.6 Medium

AI Score

Confidence

High

0.002 Low

EPSS

Percentile

53.2%

JSON

ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered in CKEditor 4 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.

CNA Affected

[
  {
    "product": "ckeditor4",
    "vendor": "ckeditor",
    "versions": [
      {
        "status": "affected",
        "version": ">= 4.5.2, < 4.16.2"
      }
    ]
  }
]