CVE-2020-35677 : Vulnerability Insights and Analysis
Learn about CVE-2020-35677 affecting BigProf Online Invoicing System before version 4.0. Understand the impact, technical details, and mitigation steps for this Stored XSS vulnerability.
BigProf Online Invoicing System before version 4.0 is vulnerable to Stored Cross-Site Scripting (XSS) due to inadequate sanitization of HTML characters when creating a new group through admin/pageEditGroup.php. This issue requires administrative privileges for exploitation.
Understanding CVE-2020-35677
BigProf Online Invoicing System is susceptible to a Stored XSS vulnerability that can be exploited by an attacker with administrative rights to inject malicious scripts into the system.
What is CVE-2020-35677?
The vulnerability arises from the system's failure to properly sanitize input fields, allowing an attacker to execute arbitrary scripts within the context of an administrator's session.
The Impact of CVE-2020-35677
The lack of input sanitization can lead to unauthorized access, data theft, and potential system compromise by executing malicious scripts within the application.
Technical Details of CVE-2020-35677
BigProf Online Invoicing System's vulnerability can be further understood through technical details.
Vulnerability Description
The flaw in the system allows an attacker with administrative privileges to inject and execute malicious scripts through the creation of a new group, leading to Stored XSS.
Affected Systems and Versions
- Product: BigProf Online Invoicing System
- Versions affected: Before 4.0
Exploitation Mechanism
- Attacker needs administrative privileges to create a payload
- Lack of Cross-Site Request Forgery (CSRF) protection in the group creation endpoint
Mitigation and Prevention
Protecting systems from CVE-2020-35677 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Apply security patches or updates provided by the vendor
- Monitor and restrict administrative privileges
- Implement input validation and output encoding to prevent XSS attacks
Long-Term Security Practices
- Regular security assessments and code reviews
- Security awareness training for administrators and developers
- Implement a robust security policy and incident response plan
Patching and Updates
- Vendor patches and updates should be applied promptly to mitigate the vulnerability