CVE-2020-21357 : Vulnerability Insights and Analysis
Learn about CVE-2020-21357, a stored cross-site scripting (XSS) vulnerability in PopojiCMS 1.2 allowing attackers to execute arbitrary web scripts. Find mitigation steps and prevention measures here.
A stored cross-site scripting (XSS) vulnerability in PopojiCMS 1.2 allows attackers to execute arbitrary web scripts or HTML via a crafted payload in the E-Mail field.
Understanding CVE-2020-21357
This CVE involves a stored XSS vulnerability in PopojiCMS 1.2, enabling attackers to run malicious scripts through specially crafted payloads.
What is CVE-2020-21357?
This CVE identifies a stored cross-site scripting (XSS) vulnerability in PopojiCMS 1.2, which can be exploited by attackers to execute arbitrary web scripts or HTML by injecting malicious content into the E-Mail field.
The Impact of CVE-2020-21357
- Attackers can execute malicious scripts on the target system, potentially leading to unauthorized access, data theft, or further exploitation.
Technical Details of CVE-2020-21357
This section provides more in-depth technical insights into the vulnerability.
Vulnerability Description
The vulnerability exists in the /admin.php?mod=user&act=addnew endpoint of PopojiCMS 1.2, allowing attackers to inject and execute malicious scripts or HTML code through the E-Mail field.
Affected Systems and Versions
- Affected Version: PopojiCMS 1.2
Exploitation Mechanism
- Attackers exploit this vulnerability by crafting a payload containing malicious scripts or HTML code and injecting it into the E-Mail field of the targeted application.
Mitigation and Prevention
To address and prevent the exploitation of CVE-2020-21357, follow these mitigation strategies:
Immediate Steps to Take
- Disable the affected functionality or sanitize user inputs to prevent script injection.
- Regularly monitor and audit user inputs for malicious content.
Long-Term Security Practices
- Implement input validation and output encoding to prevent XSS attacks.
- Keep software and systems up to date with the latest security patches.
- Educate developers and users on secure coding practices.
Patching and Updates
- Apply patches or updates provided by PopojiCMS to fix the vulnerability and enhance system security.