CVE-2026-74252

Vulnérabilités

CVE-2026-74252

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

HIGH Extension Joomla — j2commerce.com Source officielle

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.

8.6 Élevée · CVSS 4.0

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Score retenu : NVD

SourceSévérité d'origineCVSS
NVDHIGH 8.6 (v4.0)
Produit
Extension Joomla — j2commerce.com
Corrigée dans
Non précisée
Publiée
21/08/2026
Modifiée
26/08/2026
CWE
CWE-79
  • J2Store extension for Joomla — 1.0.0 – 3.3.20
  • J2Store extension for Joomla — 4.0.0 – 4.0.20
  • J2Store extension for Joomla — 4.1.0 – 4.1.5

Ces informations proviennent des sources ci-dessus ; CVE Oyer n'y ajoute aucune interprétation.

  1. Détectée via nvd26/09/2026 09:34 UTC