Learn about the CVE-2022-47197 vulnerability in Ghost Foundation Ghost 5.9.4, allowing privilege escalation via XSS. Take immediate steps to patch and secure your system.
A security vulnerability has been identified in Ghost Foundation Ghost 5.9.4, allowing non-administrator users to inject arbitrary Javascript in posts, leading to privilege escalation to administrator via XSS. This stored XSS vulnerability exists in the
codeinjection_foot
for a post.
Understanding CVE-2022-47197
What is CVE-2022-47197?
The vulnerability in the Post Creation functionality of Ghost Foundation Ghost 5.9.4 allows attackers to inject malicious Javascript in posts, potentially leading to privilege escalation to administrator via XSS.
The Impact of CVE-2022-47197
This vulnerability can be exploited by sending an HTTP request to inject Javascript in a post, tricking an administrator into visiting the post and executing arbitrary code.
Technical Details of CVE-2022-47197
Vulnerability Description
The insecure default vulnerability in Ghost Foundation Ghost 5.9.4 allows non-admin users to perform privilege escalation to admin using XSS. The vulnerability lies in the
codeinjection_foot
of a post.
Affected Systems and Versions
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious Javascript in posts, leading to the execution of unauthorized scripts and potential privilege escalation.
Mitigation and Prevention
Immediate Steps to Take
It is recommended to apply the latest security patches provided by Ghost Foundation to mitigate the risk of exploitation. Additionally, administrators should review and restrict user permissions to prevent unauthorized access.
Long-Term Security Practices
Regular security audits and code reviews can help identify and address vulnerabilities in the system before they are exploited. Training users on secure post creation practices can also mitigate the risk of XSS attacks.
Patching and Updates
Ensure that your Ghost installation is up to date with the latest patches and security updates to protect against known vulnerabilities and security risks.