Cross-site scripting in TinyMCE



Published: 2021-02-20
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID N/A
CWE-ID CWE-79
Exploitation vector Network
Public exploit N/A
Vulnerable software
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tinymce
Web applications / JS libraries

Vendor tinymce

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Cross-site scripting

EUVDB-ID: #VU50815

Risk: Medium

CVSSv3.1:

CVE-ID: N/A

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

Exploit availability: No

Description

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

The vulnerability exists due to insufficient sanitization of user-supplied data passed via URL. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code 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

Install updates from vendor's website.

Vulnerable software versions

tinymce: 2.0.7 - 5.5.1


CPE2.3 External links

http://www.npmjs.com/advisories/1601
http://github.com/advisories/GHSA-w7jx-j77m-wp65
http://www.tiny.cloud/docs/release-notes/release-notes56/#securityfixes

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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