CVE-2025-63589

HIGH EPSS 20.5%
Published Nov 6, 20257mo ago · Modified Jun 17, 20261w ago
7.1 CVSS 3.1
High
Find Similar
Published Nov 6, 2025 7mo ago
Last Modified Jun 17, 2026 1w ago

Description

A reflected XSS vulnerability exists in CMSimple_XH 1.8's index.php router when attacker-controlled path segments are not sanitized or encoded before being inserted into the generated HTML (navigation links, breadcrumbs, search form action, footer links). An attacker-controlled string placed in the URL path is reflected into multiple HTML elements, allowing execution of arbitrary JavaScript in victims' browsers visiting a crafted URL.

CVSS Details

Base Score
7.1
Exploitability
2.8
Impact
4.2
Vector string
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

Threat Intelligence

EPSS Exploit Probability
20.5% percentile
Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
cmsimple-xhcmsimple_xh1.8.0any

References 2

  • github.com https://github.com/cmsimple-xh/cmsimple-xh/blob/master/index.php
    Product
  • github.com https://github.com/cybercrewinc/CVE-2025-63589
    ExploitThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.