CVE-2021-44120 : What You Need to Know
Learn about CVE-2021-44120, a Cross Site Scripting (XSS) vulnerability in SPIP 4.0.0 that allows malicious code execution. Find mitigation steps and preventive measures here.
SPIP 4.0.0 is affected by a Cross Site Scripting (XSS) vulnerability in ecrire/public/interfaces.php. An editor can modify personal information, leading to execution of malicious code when viewing the author's information.
Understanding CVE-2021-44120
What is CVE-2021-44120?
SPIP 4.0.0 is susceptible to a Cross Site Scripting (XSS) flaw, allowing editors to insert malicious code that executes when viewing an author's information.
The Impact of CVE-2021-44120
This vulnerability enables unauthorized execution of scripts, potentially compromising user data and system integrity.
Technical Details of CVE-2021-44120
Vulnerability Description
- The vulnerability lies in ecrire/public/interfaces.php, which fails to sanitize input fields adequately.
Affected Systems and Versions
- Product: SPIP 4.0.0
- Vendor: N/A
- Versions: N/A
Exploitation Mechanism
- Editors can inject malicious code into personal information fields, exploiting it when users view the author's details.
Mitigation and Prevention
Immediate Steps to Take
- Disable the affected fields in ecrire/public/interfaces.php.
- Implement input validation and output encoding to prevent XSS attacks.
Long-Term Security Practices
- Regularly update SPIP to the latest version.
- Educate editors on secure coding practices to prevent similar vulnerabilities.
Patching and Updates
Ensure timely installation of security patches to address known vulnerabilities.