CVE-2026-66494

HIGH CVSS 4.0: 8.7 EPSS 0.39%
Updated Aug 08, 2026
Joomshaper.Com
Parameter Value
CVSS 8.7 (HIGH)
Type CWE-284 (Improper Access Control), CWE-79 (Cross-Site Scripting (XSS))
Vendor Joomshaper.Com
Public PoC No

Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Shapes API endpoint SP Page Builder < 6.7.0 - An unauthenticated attacker can store malicious JavaScript in a Joomla site's database via a single HTTP request. When an administrator opens the SP Page Builder editor, the JavaScript executes in their browser automatically..

Attack Parameters

Attack Vector
Network
Can be exploited remotely
Attack Complexity
Low
Easy to exploit
Attack Requirements
None
No additional conditions
Privileges Required
None
No privileges needed
User Interaction
Passive
Minimal interaction

Impact Assessment

Confidentiality
High
Complete data leak
Integrity
High
Complete data modification
Availability
High
Complete denial of service

CVSS Vector v4.0

Vulnerable Products

joomshaper.com:sp page builder extension for joomla