CVE-2026-66494

Joomla Extension - joomshaper.com - Unauthenticated stored XSS in Shapes API endpoint SP Page Builder < 6.7.0

State: Published
Severity: 8.7 High
Published: Aug 7, 2026
Updated: Aug 10, 2026
Reserved: Jul 27, 2026

Description

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..

Scores

CVSS	Score	Vector	Source
4.0	8.7 High	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	Joomla

Weaknesses

CWE-284 Improper Access Control
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
SP Page Builder extension for Joomlajoomshaper.com	1.0.0-6.6.2Affected

References

https://www.joomshaper.com/page-builderproduct

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