CVE-2020-9440

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CVSS 3.1

6.1 medium

EPSS

1%p69

Published

Mar 10, 2020 (Mar 10, 2020)

Modified

Jun 17, 2026

Description

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.

Vendors: ckeditor webspellchecker fedoraproject
Products: ckeditor, webspellchecker, fedora
Weakness: CWE-79
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

NVD CVE.org GitHub PoCs EPSS (1.3%)

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