CVE-2019-1010091 Explained : Impact and Mitigation

Tinymce versions 4.7.11 and 4.7.12 are susceptible to the CWE-79 vulnerability, allowing for potential JavaScript code execution when malicious content is pasted into the media element's embed tab.

Understanding CVE-2019-1010091

Tinymce versions 4.7.11 and 4.7.12 are affected by a vulnerability that could lead to the execution of JavaScript code.

What is CVE-2019-1010091?

This CVE involves the improper neutralization of input during web page generation, specifically affecting Tinymce versions 4.7.11 and 4.7.12.

The Impact of CVE-2019-1010091

The vulnerability could potentially allow for the execution of JavaScript code, with the attack vector being the victim pasting malicious content into the media element's embed tab.

Technical Details of CVE-2019-1010091

Tinymce versions 4.7.11 and 4.7.12 are affected by the following:

Vulnerability Description

The vulnerability involves inadequate removal of input during the creation of web pages, leading to potential JavaScript code execution.

Affected Systems and Versions

Product: Tinymce
Vendor: Tinymce
Versions: 4.7.11, 4.7.12

Exploitation Mechanism

The attack occurs when malicious content is inadvertently pasted into the embed tab of the media element.

Mitigation and Prevention

To address CVE-2019-1010091, consider the following steps:

Immediate Steps to Take

Update Tinymce to a patched version that addresses the vulnerability.
Avoid pasting content from untrusted sources into the media element.

Long-Term Security Practices

Regularly update software and plugins to the latest versions.
Educate users on safe practices when interacting with web content.

Patching and Updates

Ensure timely installation of security patches and updates to mitigate the risk of exploitation.