Home/CVE/ckeditor is an open source WYSIWYG HTML editor with rich content support. A potential vulnerability has been discovered
CVE

CVE-2021-32809

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

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.

MEDIUM · CVSS 4.6 EPSS 0.00236
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-94Improper Control of Generation of Code ('Code Injection')
▤

Affected Products & Versions

10
ckeditor>= 4.5.2 and < 4.16.2
fedoraproject fedoraall versions
oracle application express< 21.1.4
oracle banking party managementall versions
oracle commerce guided searchall versions
oracle commerce merchandisingall versions
oracle documakerall versions
oracle financial services analytical applications infrastructure>= 8.0.7 and <= 8.1.1
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
npm ckeditor4 MODERATE fixed in 4.16.2
▣

Scoring & Timeline

4.6
MEDIUM · CVSS v3.1 · security-advisories@github.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD12 Aug 2021 · 05:15 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
⚑

Vendor Advisories

3
usnUSN-5340-2
usnUSN-5340-1
oracle-cpuoracle-cpu-JD-Edwards-EnterpriseOne-Tools-4781--CVE-2021-32809
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ckeditor/ckeditor4/security/advisories/GHSA-7889-rm5j-hpggThird Party Advisory
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://www.oracle.com/security-alerts/cpujan2022.htmlPatchThird Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlPatchThird Party Advisory
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