CVE-2026-121733

    Dashboard / Vulnerabilities / CVE-2026-121733

    CVE-2026-121733

    Published: 3 Nov 2026Last Modified: 5 Nov 2026

    Summary: Bagisto before 2.4.5 Stored XSS via RMA Conversation Attachment Upload

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/121xxx/CVE-2026-121733.json, https://github.com/bagisto/bagisto/releases/tag/v2.4.5, https://nvd.nist.gov/vuln/detail/CVE-2026-121733, https://www.vulncheck.com/advisories/bagisto-before-2.4.5-stored-xss-via-rma-conversation-attachment-upload, https://github.com/bagisto/bagisto/commit/204e43c26705b66ef2ddfb2a9eebb25f5e8f6a2c, https://github.com/bagisto/bagisto/commit/e28db3e8c53a94a99cf153ac338466720acd9004, https://github.com/bagisto/bagisto, https://github.com/bagisto/bagisto/blob/v2.4.4/packages/Webkul/Shop/src/Http/Controllers/Customer/Account/RMAController.php#L408

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -e28db3e8c53a94a99cf153ac338466720acd9004

    Affected versions

    v2.4.4
    v2.4.2
    v2.4.1
    v2.4.0
    v2.4.0-beta6
    v2.4.0-beta5
    v2.4.0-beta4
    v2.4.0-beta3
    v2.4.0-beta2
    v2.4.0-beta1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-121733 | CVE-DB