CVE-2020-7011 Explained : Impact and Mitigation
Learn about CVE-2020-7011, a critical XSS vulnerability in Elastic App Search versions before 7.7.0, allowing attackers to execute arbitrary JavaScript in victims' web browsers. Find mitigation steps and preventive measures here.
Elastic App Search versions before 7.7.0 have a cross-site scripting (XSS) vulnerability that could allow an attacker to execute arbitrary JavaScript in a victim's web browser.
Understanding CVE-2020-7011
Elastic App Search versions before 7.7.0 are susceptible to a critical XSS flaw that can be exploited through the Reference UI.
What is CVE-2020-7011?
The vulnerability in Elastic App Search versions before 7.7.0 allows attackers to inject malicious URLs into the Reference UI, leading to the execution of arbitrary JavaScript in the victim's browser.
The Impact of CVE-2020-7011
If successfully exploited, this vulnerability could result in unauthorized execution of JavaScript code in a victim's web browser, potentially leading to further attacks or data theft.
Technical Details of CVE-2020-7011
Elastic App Search versions before 7.7.0 are affected by a critical XSS vulnerability.
Vulnerability Description
The flaw arises when displaying document URLs in the Reference UI, enabling attackers to inject malicious URLs and execute arbitrary JavaScript in victims' browsers.
Affected Systems and Versions
- Product: Elastic App Search
- Vendor: Elastic
- Versions Affected: Before 7.7.0
Exploitation Mechanism
Attackers can exploit this vulnerability by injecting malicious URLs into the Reference UI, which are then rendered by the web browser, allowing the execution of arbitrary JavaScript.
Mitigation and Prevention
Taking immediate action and implementing long-term security practices are crucial to mitigate the risks associated with CVE-2020-7011.
Immediate Steps to Take
- Upgrade Elastic App Search to version 7.7.0 or later to eliminate the vulnerability.
- Monitor and restrict user input to prevent malicious URL injections.
Long-Term Security Practices
- Regularly update and patch software to address security vulnerabilities promptly.
- Conduct security audits and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
- Apply security patches provided by Elastic promptly to ensure the protection of Elastic App Search.