CVE-2019-12346 Explained : Impact and Mitigation

The miniOrange SAML SP Single Sign On plugin for WordPress, prior to version 4.8.73, is vulnerable to cross-site scripting (XSS) through its SAML Login Endpoint.

Understanding CVE-2019-12346

This CVE identifies a security vulnerability in the miniOrange SAML SP Single Sign On plugin for WordPress.

What is CVE-2019-12346?

The vulnerability in the SAML Login Endpoint of the plugin allows for XSS attacks via a specially crafted SAMLResponse XML post.

The Impact of CVE-2019-12346

Exploitation of this vulnerability can lead to cross-site scripting (XSS) attacks, potentially compromising the security and integrity of WordPress websites.

Technical Details of CVE-2019-12346

The technical aspects of the CVE provide insight into the vulnerability and its implications.

Vulnerability Description

The vulnerability in the SAML Login Endpoint of the miniOrange SAML SP Single Sign On plugin allows for XSS attacks through manipulated SAMLResponse XML posts.

Affected Systems and Versions

Affected Product: miniOrange SAML SP Single Sign On plugin
Affected Version: Prior to 4.8.73

Exploitation Mechanism

The vulnerability can be exploited by sending a carefully crafted SAMLResponse XML post to the SAML Login Endpoint, enabling attackers to execute cross-site scripting attacks.

Mitigation and Prevention

Protecting systems from CVE-2019-12346 requires immediate actions and long-term security measures.

Immediate Steps to Take

Update the miniOrange SAML SP Single Sign On plugin to version 4.8.73 or newer.
Monitor and filter input to the SAML Login Endpoint to prevent malicious XML posts.

Long-Term Security Practices

Regularly update plugins and software to patch known vulnerabilities.
Implement web application firewalls and security plugins to enhance website security.

Patching and Updates

Apply security patches promptly to mitigate the risk of XSS attacks through the SAML Login Endpoint.