CVE-2025-63588 — HIGH (7.1)

Vulnerability Description

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.

CVSS Score

7.1

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality

HIGH

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Cmsimple-Xh	Cmsimple Xh	1.8.0

Related Weaknesses (CWE)

CWE-79

References

https://github.com/cybercrewinc/CVE-2025-63588ExploitThird Party Advisory
https://helloandrewpaul.medium.com/reflected-xss-in-login-form-email-password-fiNot Applicable
https://github.com/cybercrewinc/CVE-2025-63588ExploitThird Party Advisory

FAQ

What is CVE-2025-63588?

CVE-2025-63588 is a vulnerability with a CVSS score of 7.1 (HIGH). 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 craft...

How severe is CVE-2025-63588?

CVE-2025-63588 has been rated HIGH with a CVSS base score of 7.1/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2025-63588?

Check the references section above for vendor advisories and patch information. Affected products include: Cmsimple-Xh Cmsimple Xh.