{"id":"CVE-2026-121733","title":"Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload","summary":"Bagisto before 2.4.5 contains a stored cross-site scripting vulnerability that allows authenticated customers to upload HTML files via the RMA send-message endpoint without type or extension validation. Attackers can upload a .html attac…","severity":"medium","cvss":5.4,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N","cvssSource":"cna","cwe":["CWE-434"],"vendor":"Webkul","product":"Bagisto","affected":["Bagisto < 2.4.5"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"partial","timestamp":"2026-11-04T18:58:00.446403Z"},"published":"2026-11-03","updated":"2026-11-04","sourceUpdated":"2026-11-04T18:58:11.067Z","source":"CVEORG","sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-121733","references":[{"url":"https://github.com/bagisto/bagisto/commit/204e43c26705b66ef2ddfb2a9eebb25f5e8f6a2c","label":"Patch Commit"},{"url":"https://github.com/bagisto/bagisto"},{"url":"https://github.com/bagisto/bagisto/commit/e28db3e8c53a94a99cf153ac338466720acd9004"},{"url":"https://github.com/bagisto/bagisto/blob/v2.4.4/packages/Webkul/Shop/src/Http/Controllers/Customer/Account/RMAController.php#L408"},{"url":"https://github.com/bagisto/bagisto/releases/tag/v2.4.5","label":"Bagisto v2.4.5 Release Notes"},{"url":"https://www.vulncheck.com/advisories/bagisto-before-2.4.5-stored-xss-via-rma-conversation-attachment-upload","label":"VulnCheck Advisory: Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload"}],"tags":["cve.org"],"epss":0.00182,"epssPercentile":0.07779,"ingestedAt":"2026-11-05T21:36:00.513Z","slug":"CVE-2026-121733","body":"## Overview\n\nBagisto before 2.4.5 contains a stored cross-site scripting vulnerability that allows authenticated customers to upload HTML files via the RMA send-message endpoint without type or extension validation. Attackers can upload a .html attachment containing JavaScript served under /storage/rma-conversation/, executing script in the shop's origin when an administrator opens it.\n\n## Affected\n\n- `Bagisto < 2.4.5`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"sunlit","depthScore":30,"depthScoreParts":{"impact":29.7,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}