CVE-2018-11105 : What You Need to Know
Learn about CVE-2018-11105, a stored cross-site scripting vulnerability in the wp-live-chat-support plugin for WordPress. Find out the impact, affected systems, exploitation method, and mitigation steps.
WordPress wp-live-chat-support plugin before version 8.0.08 is vulnerable to stored cross-site scripting, allowing attackers to exploit the 'name' and 'email' input fields.
Understanding CVE-2018-11105
This CVE involves a stored cross-site scripting vulnerability in the wp-live-chat-support plugin for WordPress.
What is CVE-2018-11105?
The wp-live-chat-support plugin before version 8.0.08 for WordPress contains a stored cross-site scripting vulnerability. This flaw can be abused by a malicious actor initiating a new chat with an administrator using specific input fields.
The Impact of CVE-2018-11105
The vulnerability allows attackers to execute malicious scripts in the context of an administrator, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2018-11105
This section provides more technical insights into the vulnerability.
Vulnerability Description
The wp-live-chat-support plugin before version 8.0.08 for WordPress is susceptible to stored cross-site scripting via the 'name' and 'email' input fields in specific endpoints.
Affected Systems and Versions
- Affected Version: wp-live-chat-support plugin before 8.0.08
- Systems: WordPress installations using the vulnerable plugin
Exploitation Mechanism
Attackers can exploit this vulnerability by initiating a chat with an administrator using the 'name' and 'email' input fields, allowing the injection of malicious scripts.
Mitigation and Prevention
Protecting systems from CVE-2018-11105 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Update the wp-live-chat-support plugin to version 8.0.08 or newer.
- Monitor and restrict access to the wp-json/wp_live_chat_support/v1/start_chat endpoint.
Long-Term Security Practices
- Regularly update all plugins and themes in WordPress installations.
- Implement input validation and output encoding to prevent cross-site scripting attacks.
Patching and Updates
Ensure timely installation of security patches and updates for WordPress plugins and core to mitigate the risk of such vulnerabilities.