THREAT OPS › Threat News › [NVD] CVE-2026-66494 — 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
[NVD] CVE-2026-66494 — 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
CVE-2026-66494 CVSS: None Published: 2026-08-07T13:16:52.827
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.
MITRE ATT&CK techniques
- JavaScriptT1059.007
Indicators of compromise
- CVE-2026-66494cve
- joomshaper.comdomain
Original source: https://nvd.nist.gov/vuln/detail/CVE-2026-66494