CVE-2026-74252: fallo de gravedad alta en j2commerce.com J2Store extension for Joomla
Joomla Extension - j2commerce.com - Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5
Publicada el
41Vexday Risk Score
Sin señal de explotación. Ella tiene prueba de concepto pública.
ssvc Attendcvss 8.6epss 0.5%
de la publicación al arma1 días
Publicada en NVD21 ago
1ª PoC+1d
probabilidad de explotación
0.5%top 58% de las CVE
explotación observada
noninguna fuente lo reporta
1 exploit(s) público(s)
Joomla Extension - j2commerce.com - Stored XSS in Guest checkout in J2Store 1.0.0-3.3.20, 4.0.0-4.0.20, 4.1.0-4.1.5 - J2Commerce 4.1.5 is vulnerable to Stored Cross-Site Scripting (XSS) through the guest checkout billing address fields. An unauthenticated attacker exploits a filter bypass in Joomla's Input::getArray() combined with PHP's variables_order=EGPCS (Cookie overrides POST in $_REQUEST ) to store unsanitized HTML in fields such as billing_first_name.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:L/SC:N/SI:N/SA:N
Productos afectados
j2commerce.com · J2Store extension for JoomlaPoCs públicas encontradas — 1
githubgithub.com/toanln-cov/CVE-2026-74252★ 0⚠ Recursos públicos, para evaluar la exposición de sistemas que controlas o estás autorizado a probar. Prueba solo con autorización.
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Referencias
https://www.j2commerce.com/