Cross-Site Scripting Vulnerability in Maccms 10 by Maccms
CVE-2020-21434

5.4MEDIUM

Key Information:

Vendor

Maccms

Status
Maccms
Vendor
CVE Published:
4 October 2021

What is CVE-2020-21434?

Maccms 10 contains a cross-site scripting vulnerability that can be exploited through the Editing function in the Member module. An attacker can execute arbitrary scripts by sending a specially crafted payload via the nickname text field. This allows for unauthorized actions to be performed on behalf of the user, potentially leading to data theft, session hijacking, and other malicious activities.

References

https://github.com/Ksharp12138/maccms_userinfo_xss/blob/m...
x_refsource_MISC

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.