Cross-site scripting in CKEditor

1) Cross-site scripting (XSS)

EUVDB-ID: #VU306

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:U/U:Clear]

CVE-ID: CVE-2014-5191

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Exploit availability: No

Description

The vulnerability allow a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-input in Preview plugin. A remote attacker can inject arbitrary HTML and script code and execute it in user’s browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

Mitigation

Update to version 4.4.3.

Vulnerable software versions

CKEditor: 4.4.0 full - 4.4.2 full

CPE2.3

• cpe:2.3:a:cksource:ckeditor:4.4.0 full:*:*:*:*:*:*:*
• cpe:2.3:a:cksource:ckeditor:4.4.1 full:*:*:*:*:*:*:*
• cpe:2.3:a:cksource:ckeditor:4.4.2 full:*:*:*:*:*:*:*

External links

https://ckeditor.com/release/CKEditor-4.4.3

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.