CVE-2025-63588

An unauthenticated reflected cross-site scripting vulnerability in the query handling of CMSimpleXH allows remote attackers to inject and execute arbitrary JavaScript in a victim's browser via a crafted request (e.g., a maliciously crafted POST login). Successful exploitation may lead to theft of session cookies, credential disclosure, or other client-side impacts.

Score

CVSS 3.1 7.1 High

Status

Analyzed - cve@mitre.org

Published

2025-11-06

Last modified

2025-11-06

Weaknesses

CWE-79

Affected products

• Cmsimple Xh (Cmsimple-xh)

References

• https://github.com/cybercrewinc/CVE-2025-63588
• https://helloandrewpaul.medium.com/reflected-xss-in-login-form-email-password-fields-vvveb-cms-v1-0-7-2-18800186804d