{"id":"CVE-2026-74252","title":"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","summary":"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. …","severity":"none","cwe":["CWE-79"],"published":"2026-08-21","updated":"2026-10-14","sourceUpdated":"2026-10-14T19:10:00.297","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74252","references":[{"url":"https://www.j2commerce.com/","label":"security@joomla.org"}],"tags":["nvd","exploit-available"],"epss":0.00519,"epssPercentile":0.42706,"exploits":{"github":1,"githubRepos":["https://github.com/toanln-cov/CVE-2026-74252"],"checkedAt":"2026-10-14T19:50:33.272Z"},"exploitAvailable":true,"ingestedAt":"2026-10-14T19:49:57.570Z","slug":"CVE-2026-74252","body":"## Overview\n\nJoomla 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":15,"depthScoreParts":{"impact":2.8,"likelihood":0.1,"exploitation":12,"ransomware":0},"changes":[]}