CVE-2020-9440
MEDIUMCKEditor WSC Plugin <= 5.5.7.5 - Cross-Site Scripting via IFRAME Element Injection
Title source: llmDescription
A cross-site scripting (XSS) vulnerability in the WSC plugin through 5.5.7.5 for CKEditor 4 allows remote attackers to run arbitrary web script inside an IFRAME element by injecting a crafted HTML element into the editor.
References (4)
Core 4
Core References
Vendor Advisory x_refsource_misc
https://ckeditor.com/blog/CKEditor-4.14-with-Paste-from-LibreOffice-released/#security-issues-fixed
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7OJ4BSS3VEAEXPNSOOUAXX6RDNECGZNO/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/M4HHYQ6N452XTCIROFMJOTYEUWSB6FR4/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L322YA73LCV3TO7ORY45WQDAFJVNKXBE/
Scores
CVSS v3
6.1
EPSS
0.0128
EPSS Percentile
66.9%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Details
CWE
CWE-79
Status
published
Products (5)
ckeditor/ckeditor
4.0
fedoraproject/fedora
30
fedoraproject/fedora
31
fedoraproject/fedora
32
webspellchecker/webspellchecker
< 5.5.7.5
Published
Mar 10, 2020
Tracked Since
Feb 18, 2026