What is CVE-2025-63588?

CVE-2025-63588 is a high-severity vulnerability in Cmsimple-xh Cmsimple_xh, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-11-06.

How severe is CVE-2025-63588?

High severity. CVSS v3 base score is 7.1 out of 10.

Is CVE-2025-63588 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

XSS in Cmsimple-xh Cmsimple_xh

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…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.003 (20.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.1 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:L/A:N.

Affected products

Cmsimple-xh Cmsimple_xh — versions 1.8.0
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

Public proof-of-concept exploits

cybercrewinc/CVE-2025-63588

References

cve@mitre.org (Not Applicable)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2025-63588?: CVE-2025-63588 is a high-severity vulnerability in Cmsimple-xh Cmsimple_xh, classified under Cross-site Scripting. CVSS score: 7.1/10. Published 2025-11-06.
How severe is CVE-2025-63588?: High severity. CVSS v3 base score is 7.1 out of 10.
Is CVE-2025-63588 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.