Home/CVE/A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows remote attacke
CVE

CVE-2020-9281

A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows remote attacke

A cross-site scripting (XSS) vulnerability in the HTML Data Processor for CKEditor 4.0 before 4.14 allows remote attackers to inject arbitrary web script through a crafted "protected" comment (with the cke_protected syntax).

MEDIUM · CVSS 6.1 EPSS 0.01194
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')
▤

Affected Products & Versions

12
ckeditor>= 4.0 and < 4.14
fedoraproject fedoraall versions
drupal>= 8.7.0 and < 8.7.12
drupal>= 8.8.0 and < 8.8.4
oracle agile plmall versions
oracle application express< 20.2
oracle jd edwards enterpriseone tools< 9.2.5.2
oracle peoplesoft enterprise peopletoolsall versions
▤

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 4.14.0
▣

Scoring & Timeline

6.1
MEDIUM · CVSS v3.1 · cve@mitre.org
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 NVD07 Mar 2020 · 01:15 AM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
⚑

Vendor Advisories

2
usnUSN-5340-2
usnUSN-5340-1
🔗

References & Sources

9
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://github.com/ckeditor/ckeditor4ProductThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OJ4BSS3VEAEXPNSOOUAXX6RDNECGZNO/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L322YA73LCV3TO7ORY45WQDAFJVNKXBE/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4HHYQ6N452XTCIROFMJOTYEUWSB6FR4/
https://www.oracle.com/security-alerts/cpuApr2021.htmlPatchThird Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatchThird Party Advisory
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