This security bulletin contains one low risk vulnerability.
The disclosed vulnerability allows a remote user to perform cross-site scripting (XSS) attacks.
The vulnerability exists due to insufficient sanitization of user-supplied data within the Iframe Dialog and Media Embed packages. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.Mitigation
Install updates from vendor's website.Vulnerable software versions
CKEditor: 4.0 basic - 4.20.2Fixed software versions
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?