CVE-2020-25627 : Vulnerability Insights and Analysis
Learn about CVE-2020-25627, a stored XSS vulnerability in Moodle versions 3.9 to 3.9.1. Find out the impact, affected systems, exploitation mechanism, and mitigation steps.
A stored XSS vulnerability in Moodle versions 3.9 to 3.9.1 required additional sanitization in the moodlenetprofile user profile field.
Understanding CVE-2020-25627
This CVE involves a security issue in Moodle versions 3.9 to 3.9.1 that could lead to stored XSS attacks.
What is CVE-2020-25627?
The moodlenetprofile user profile field in affected versions lacked proper sanitization, posing a risk of stored XSS attacks.
The Impact of CVE-2020-25627
The vulnerability could allow attackers to execute malicious scripts in the context of a user's session, potentially leading to unauthorized actions or data theft.
Technical Details of CVE-2020-25627
This section provides more technical insights into the vulnerability.
Vulnerability Description
The moodlenetprofile user profile field in Moodle versions 3.9 to 3.9.1 was susceptible to stored XSS attacks due to inadequate sanitization.
Affected Systems and Versions
- Product: Moodle
- Versions: 3.9 to 3.9.1
Exploitation Mechanism
Attackers could exploit this vulnerability by injecting malicious scripts into the moodlenetprofile user profile field, which would then be executed when accessed by other users.
Mitigation and Prevention
Protecting systems from CVE-2020-25627 requires immediate actions and long-term security practices.
Immediate Steps to Take
- Upgrade Moodle to version 3.9.2, where the vulnerability has been fixed.
- Educate users to avoid interacting with suspicious links or content within Moodle.
Long-Term Security Practices
- Regularly update Moodle and other software to patch known vulnerabilities.
- Implement content security policies to mitigate XSS risks.
Patching and Updates
Ensure timely installation of security patches and updates to keep systems protected against known vulnerabilities.