CVE-2025-63588

7.1 highEPSS 0.4%

High (7.1) in cmsimple-xh cmsimple xh. EPSS 0.4% chance of exploitation in the next 30 days.

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.

Severity

CVSS 3.1

7.1 high

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

EPSS: 0.4% chance of exploitation in the next 30 days; higher than 29% of CVEs (scores of 2026-10-31)
CWE: CWE-79
Published: 2025-11-06
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

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
https://github.com/cybercrewinc/CVE-2025-63588

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