CVE-2026-121733Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload

Descripción

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 attachment containing JavaScript served under /storage/rma-conversation/, executing script in the shop's origin when an administrator opens it.

Datos: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Se publican tal como los indican las fuentes, en inglés.

Productos y versiones afectados

Referencias y parches

• Patch Commit patch
• https://github.com/bagisto/bagisto product
• https://github.com/bagisto/bagisto/commit/e28db3e8c53a94a99cf153ac338466720acd9004 patch
• https://github.com/bagisto/bagisto/blob/v2.4.4/packages/Webkul/Shop/src/Http/Controllers/Customer/Account/RMA… technical-description
• Bagisto v2.4.5 Release Notes release-notes
• VulnCheck Advisory: Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload third-party-advisory