CVE-2020-9281

Name: CVE-2020-9281
Creator: NVD / NIST
Published: 2020-03-07T01:15:15.517+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.1/10EPSS 4.33%

Last modified Jun 17, 2026

CVE-2020-9281 is a medium-severity vulnerability rated 6.1/10 on the CVSS scale. 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).. EPSS estimates a 4.33% chance of exploitation in the next 30 days.

Description

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).

Metrics

CVSS 3.1

6.1/10

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

EPSS Probability

4.33%

89.9th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Ckeditor	Ckeditor	>= 4.0, < 4.14
Fedoraproject	Fedora	30
Fedoraproject	Fedora	31
Fedoraproject	Fedora	32
Drupal	Drupal	>= 8.7.0, < 8.7.12
Drupal	Drupal	>= 8.8.0, < 8.8.4
Oracle	Agile Plm	9.3.5
Oracle	Agile Plm	9.3.6
Oracle	Application Express	< 20.2
Oracle	Jd Edwards Enterpriseone Tools	< 9.2.5.2
Oracle	Peoplesoft Enterprise Peopletools	All versions
Oracle	Peoplesoft Enterprise Peopletools	8.56
Oracle	Peoplesoft Enterprise Peopletools	8.57
Oracle	Peoplesoft Enterprise Peopletools	8.58
Oracle	Siebel Apps - Customer Order Management	< 21.0
Oracle	Webcenter Portal	11.1.1.9.0
Oracle	Webcenter Portal	12.2.1.3.0
Oracle	Webcenter Portal	12.2.1.4.0
Oracle	Banking Enterprise Default Management	2.6.2
Oracle	Banking Enterprise Default Management	2.7.0
Oracle	Banking Enterprise Default Management	2.7.1
Oracle	Banking Enterprise Default Management	2.10.0
Oracle	Banking Enterprise Default Management	2.12.0
Oracle	Banking Enterprise Default Managment	>= 2.3.0, <= 2.4.0

References

https://github.com/ckeditor/ckeditor4Product, Third 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.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlNot Applicable, Third Party Advisory
https://github.com/ckeditor/ckeditor4Product, Third 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.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2021.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpujan2022.htmlPatch, Vendor Advisory
https://www.oracle.com/security-alerts/cpuoct2020.htmlPatch, Third Party Advisory
https://www.oracle.com/security-alerts/cpuoct2021.htmlNot Applicable, Third Party Advisory

Timeline

Published: Mar 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-9281?

How severe is CVE-2020-9281?

CVE-2020-9281 has a CVSS score of 6.1/10 (MEDIUM severity). The EPSS model estimates a 4.33% probability of exploitation in the next 30 days.

How do I fix CVE-2020-9281?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-9281?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST