CVE-2026-121733
Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload
- State
- Published
- Severity
- 2.1 Low
- Published
- Nov 3, 2026
- Updated
- Nov 3, 2026
- Reserved
- Nov 3, 2026
Description
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 2.1 Low | CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N | VulnCheck |
| 3.1 | 5.4 Medium | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N | VulnCheck |
Weaknesses
- CWE-434 Unrestricted Upload of File with Dangerous Type
Affected Products
| Product | Versions |
|---|---|
BagistoWebkul |
|
References
- Patch Commitpatch
- https://github.com/bagisto/bagistoproduct
- https://github.com/bagisto/bagisto/commit/e28db3e8c53a94a99cf153ac338466720acd9004patch
- https://github.com/bagisto/bagisto/blob/v2.4.4/packages/Webkul/Shop/src/Http/Controllers/Customer/Account/RMAController.php#L408technical-description
- Bagisto v2.4.5 Release Notesrelease-notes
- VulnCheck Advisory: Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Uploadthird-party-advisory
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