#VU35706 Cross-site scripting in tinymce - CVE-2019-1010091

Vulnerability identifier: #VU35706

Vulnerability 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-2019-1010091

CWE-ID: CWE-79

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
tinymce
Web applications / JS libraries

Vendor: tinymce

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

tinymce 4.7.11, 4.7.12 is affected by: CWE-79: Improper Neutralization of Input During Web Page Generation. The impact is: JavaScript code execution. The component is: Media element. The attack vector is: The victim must paste malicious content to media element's embed tab.

Mitigation
Install update from vendor's website.

Vulnerable software versions

tinymce: 5.0.0 - 5.2.1

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External links
http://github.com/tinymce/tinymce/issues/4394

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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.