CVE-2018-20232 : Vulnerability Insights and Analysis
Learn about CVE-2018-20232, a cross-site scripting (XSS) flaw in Atlassian Jira versions 7.6.11 to 7.13.1. Discover the impact, affected systems, exploitation method, and mitigation steps.
A vulnerability in the labels widget gadget in Atlassian Jira versions 7.6.11 to 7.13.1 enables attackers to inject HTML or JavaScript code through a cross-site scripting (XSS) flaw.
Understanding CVE-2018-20232
This CVE involves a security issue in Atlassian Jira that allows for XSS attacks.
What is CVE-2018-20232?
The vulnerability in the labels widget gadget in Atlassian Jira versions 7.6.11 to 7.13.1 allows malicious actors to insert HTML or JavaScript code by exploiting a cross-site scripting (XSS) weakness.
The Impact of CVE-2018-20232
This vulnerability can be exploited by attackers to execute arbitrary code within the context of the affected application, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2018-20232
This section delves into the specifics of the CVE.
Vulnerability Description
The labels widget gadget in Atlassian Jira versions 7.6.11 to 7.13.1 is susceptible to a cross-site scripting (XSS) vulnerability, enabling remote attackers to inject malicious code via manipulated URL content.
Affected Systems and Versions
- Product: Jira
- Vendor: Atlassian
- Vulnerable Versions: 7.6.11 to 7.13.1
Exploitation Mechanism
The vulnerability arises when the retrieved content from a specific URL, controllable through the up_projectid widget preference setting, is rendered, allowing for XSS exploitation.
Mitigation and Prevention
Protective measures to address CVE-2018-20232.
Immediate Steps to Take
- Upgrade Jira to a non-vulnerable version, if available.
- Implement input validation to sanitize user inputs and prevent XSS attacks.
- Monitor and filter user-generated content for potentially malicious scripts.
Long-Term Security Practices
- Regularly update and patch software to mitigate known vulnerabilities.
- Educate users and developers on secure coding practices to prevent XSS vulnerabilities.
Patching and Updates
- Apply security patches provided by Atlassian promptly to fix the XSS vulnerability in affected Jira versions.