CVE-2021-24950 : What You Need to Know
Learn about CVE-2021-24950 affecting the Insight Core plugin <= 1.0, enabling PHP Object Injection and Stored XSS, its impact, technical details, and mitigation steps.
Insight Core plugin through version 1.0 is vulnerable to Subscriber+ PHP Object Injection and Stored Cross-Site Scripting attacks due to missing authorization and input validation.
Understanding CVE-2021-24950
This CVE highlights a security issue in the Insight Core plugin that allows attackers with low-level roles to execute malicious actions on the WordPress site.
What is CVE-2021-24950?
The Insight Core WordPress plugin version 1.0 lacks proper authorization and input validation, enabling unauthorized users to carry out PHP Object Injection and Stored XSS attacks.
The Impact of CVE-2021-24950
This vulnerability could lead to unauthorized users, even with the role of Subscriber, injecting arbitrary PHP objects and executing malicious scripts, compromising the security and integrity of the WordPress site.
Technical Details of CVE-2021-24950
The following technical details shed light on the vulnerability:
Vulnerability Description
The flaw in Insight Core plugin version 1.0 allows attackers to exploit PHP Object Injection and Stored Cross-Site Scripting due to the absence of authorization and inadequate input validation mechanisms.
Affected Systems and Versions
- Product: Insight Core
- Vendor: Unknown
- Version: <= 1.0
Exploitation Mechanism
Attackers with as low a role as Subscriber can leverage this vulnerability to inject malicious PHP objects and execute harmful scripts on the WordPress site.
Mitigation and Prevention
To address CVE-2021-24950, consider the following measures:
Immediate Steps to Take
- Disable or remove the Insight Core plugin if not essential.
- Monitor user roles and permissions to prevent unauthorized access.
Long-Term Security Practices
- Regularly update plugins and themes to patch security vulnerabilities.
- Implement strong input validation and authorization checks in custom plugin development.
Patching and Updates
Ensure you update the Insight Core plugin to a secure version beyond 1.0 to mitigate the risks associated with this vulnerability.