CVE-2018-19048 : Security Advisory and Response

Simditor through version 2.3.21 is vulnerable to DOM XSS attacks due to a flaw that allows the execution of malicious code through improperly structured SVG elements.

Understanding CVE-2018-19048

Simditor up to version 2.3.21 is susceptible to a DOM XSS vulnerability that can be exploited using an onload attribute within malformed SVG elements.

What is CVE-2018-19048?

Simditor versions up to 2.3.21 have a vulnerability that enables DOM XSS attacks, allowing threat actors to execute malicious code.

The Impact of CVE-2018-19048

This vulnerability can lead to the execution of arbitrary code within the context of the user's browser, potentially compromising sensitive data and user sessions.

Technical Details of CVE-2018-19048

Simditor through version 2.3.21 is affected by a DOM XSS vulnerabilityload attribute within in a malformed SVG element.

Vulnerability Description

The vulnerability in Simditor allows attackers to execute malicious code by leveraging an onload attribute within improperly structured SVG elements.

Affected Systems and Versions

Product: Not applicable
Vendor: Not applicable
Versions affected: Up to 2.3.21

Exploitation Mechanism

The vulnerability can be exploited by inserting malicious code into an improperly structured SVG element using the onload attribute.

Mitigation and Prevention

It is crucial to take immediate steps to mitigate the risks posed by CVE-2018-19048.

Immediate Steps to Take

Update Simditor to version 2.3.22 or later to patch the vulnerability.
Avoid interacting with untrusted or suspicious websites to minimize the risk of exploitation.

Long-Term Security Practices

Regularly update software and applications to patch known vulnerabilities.
Implement secure coding practices to prevent XSS vulnerabilities in web applications.

Patching and Updates

Apply security patches promptly to ensure that known vulnerabilities are addressed and mitigated.