PT-2020-20661 · Ckeditor · Ckeditor 4 Wsc Plugin

Pham Van Khanh + 1 · Published 2020-03-10 · Updated 2022-05-24 · CVE-2020-9440

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions CKEditor 4 WSC plugin versions through 5.5.7.5

Description A cross-site scripting (XSS) issue allows remote attackers to run arbitrary web script inside an IFRAME element by injecting a crafted HTML element into the editor.

Recommendations For CKEditor 4 WSC plugin versions through 5.5.7.5, consider disabling the WSC plugin until a patch is available to prevent exploitation of the XSS vulnerability.

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2020-9440

Affected Products

Ckeditor 4 Wsc Plugin

References · 10

• https://osv.dev/vulnerability/CVE-2020-9440 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OJ4BSS3VEAEXPNSOOUAXX6RDNECGZNO · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4HHYQ6N452XTCIROFMJOTYEUWSB6FR4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-9440 · Security Note
• https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed · Vendor Advisory
• https://ubuntu.com/security/CVE-2020-9440 · Vendor Advisory
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L322YA73LCV3TO7ORY45WQDAFJVNKXBE · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2020-9440 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2020-9440 · Security Note
• https://t.me/cvenotify/1476 · Telegram Post