CVE-2026-62990
Shopper: same-origin SVG and HTML uploads enable stored XSS and persistent administrator creation
Shopper is a Headless e-commerce Admin Panel. In versions from 2.0.0 prior to 2.10.1 and in the 3.0.0 prereleases beta.1 and beta.2, authenticated back-office staff with a content-upload permission can store executable media on the administrator's own origin. In the 2.x implementation, relevant upload permissions include edit_products or add_brands, and packages/admin/config/media.php allows image/svg+xml in every media collection, including image fields whose image/* validation also accepts SVG. The product files collection in packages/admin/src/Livewire/Components/Products/Form/Files.php has no MIME restriction and accepts text/html as well. Media is served inline from the public disk under /storage/ with its own content type, without Content-Disposition: attachment or a Content-Security-Policy. When an administrator opens an uploaded HTML or SVG file, stored script executes in that administrator's session. In 2.x, the script can invoke packages/admin/src/Livewire/SlideOvers/CreateTeamMember.php, whose store() checks access_setting held by the viewing administrator but trusts client-supplied role_id, to create a new attacker-controlled administrator with a chosen password. This account persists after the uploaded file is deleted and gives access to customer data, orders, settings, and user/role management; the same script can exfiltrate data or grant permissions to the attacker's account. Direct account creation by the low-privileged uploader is blocked, so exploitation requires the administrator to open the file. The 3.x prerelease line already excludes SVG but still allows executable product files. This issue is fixed in versions 2.10.1 and 3.0.0-beta.3.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
8.7
Shopper: same-origin SVG and HTML uploads enable stored XSS and persistent administrator creation
Shopper is a Headless e-commerce Admin Panel. In versions from 2.0.0 prior to 2.10.1 and in the 3.0.0 prereleases beta.1 and beta.2, authenticated back-office staff with a content-upload permission can store executable media on the administrator's own origin. In the 2.x implementation, relevant upload permissions include edit_products or add_brands, and packages/admin/config/media.php allows image/svg+xml in every media collection, including image fields whose image/* validation also accepts SVG. The product files collection in packages/admin/src/Livewire/Components/Products/Form/Files.php has no MIME restriction and accepts text/html as well. Media is served inline from the public disk under /storage/ with its own content type, without Content-Disposition: attachment or a Content-Security-Policy. When an administrator opens an uploaded HTML or SVG file, stored script executes in that administrator's session. In 2.x, the script can invoke packages/admin/src/Livewire/SlideOvers/CreateTeamMember.php, whose store() checks access_setting held by the viewing administrator but trusts client-supplied role_id, to create a new attacker-controlled administrator with a chosen password. This account persists after the uploaded file is deleted and gives access to customer data, orders, settings, and user/role management; the same script can exfiltrate data or grant permissions to the attacker's account. Direct account creation by the low-privileged uploader is blocked, so exploitation requires the administrator to open the file. The 3.x prerelease line already excludes SVG but still allows executable product files. This issue is fixed in versions 2.10.1 and 3.0.0-beta.3.
- Record
CVE-2026-62990- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-79, CWE-269
- Updated
- 2026-11-05
EUVDEUVD-2026-114511
8.7
Shopper is a Headless e-commerce Admin Panel. In versions from 2.0.0 prior to 2.10.1 and in the 3.0.0 prereleases beta.1 and beta.2, authenticated back-office staff with a content-upload permission can store executable media on the administrator's own origin. In the 2.x implementation, relevant upload permissions include edit_products or add_brands, and packages/admin/config/media.php allows image/svg+xml in every media collection, including image fields whose image/* validation also accepts SVG. The product files collection in packages/admin/src/Livewire/Components/Products/Form/Files.php has no MIME restriction and accepts text/html as well. Media is served inline from the public disk under /storage/ with its own content type, without Content-Disposition: attachment or a Content-Security-Policy. When an administrator opens an uploaded HTML or SVG file, stored script executes in that administrator's session. In 2.x, the script can invoke packages/admin/src/Livewire/SlideOvers/CreateTeamMember.php, whose store() checks access_setting held by the viewing administrator but trusts client-supplied role_id, to create a new attacker-controlled administrator with a chosen password. This account persists after the uploaded file is deleted and gives access to customer data, orders, settings, and user/role management; the same script can exfiltrate data or grant permissions to the attacker's account. Direct account creation by the low-privileged uploader is blocked, so exploitation requires the administrator to open the file. The 3.x prerelease line already excludes SVG but still allows executable product files. This issue is fixed in versions 2.10.1 and 3.0.0-beta.3.
- Record
EUVD-2026-114511- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Updated
- 2026-11-05
NVD
8.7
Shopper is a Headless e-commerce Admin Panel. In versions from 2.0.0 prior to 2.10.1 and in the 3.0.0 prereleases beta.1 and beta.2, authenticated back-office staff with a content-upload permission can store executable media on the administrator's own origin. In the 2.x implementation, relevant upload permissions include edit_products or add_brands, and packages/admin/config/media.php allows image/svg+xml in every media collection, including image fields whose image/* validation also accepts SVG. The product files collection in packages/admin/src/Livewire/Components/Products/Form/Files.php has no MIME restriction and accepts text/html as well. Media is served inline from the public disk under /storage/ with its own content type, without Content-Disposition: attachment or a Content-Security-Policy. When an administrator opens an uploaded HTML or SVG file, stored script executes in that administrator's session. In 2.x, the script can invoke packages/admin/src/Livewire/SlideOvers/CreateTeamMember.php, whose store() checks access_setting held by the viewing administrator but trusts client-supplied role_id, to create a new attacker-controlled administrator with a chosen password. This account persists after the uploaded file is deleted and gives access to customer data, orders, settings, and user/role management; the same script can exfiltrate data or grant permissions to the attacker's account. Direct account creation by the low-privileged uploader is blocked, so exploitation requires the administrator to open the file. The 3.x prerelease line already excludes SVG but still allows executable product files. This issue is fixed in versions 2.10.1 and 3.0.0-beta.3.
- Record
CVE-2026-62990- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-79, CWE-269
- Updated
- 2026-11-05
OSV
8.7
Shopper: same-origin SVG and HTML uploads enable stored XSS and persistent administrator creation
Shopper is a Headless e-commerce Admin Panel. In versions from 2.0.0 prior to 2.10.1 and in the 3.0.0 prereleases beta.1 and beta.2, authenticated back-office staff with a content-upload permission can store executable media on the administrator's own origin. In the 2.x implementation, relevant upload permissions include edit_products or add_brands, and packages/admin/config/media.php allows image/svg+xml in every media collection, including image fields whose image/* validation also accepts SVG. The product files collection in packages/admin/src/Livewire/Components/Products/Form/Files.php has no MIME restriction and accepts text/html as well. Media is served inline from the public disk under /storage/ with its own content type, without Content-Disposition: attachment or a Content-Security-Policy. When an administrator opens an uploaded HTML or SVG file, stored script executes in that administrator's session. In 2.x, the script can invoke packages/admin/src/Livewire/SlideOvers/CreateTeamMember.php, whose store() checks access_setting held by the viewing administrator but trusts client-supplied role_id, to create a new attacker-controlled administrator with a chosen password. This account persists after the uploaded file is deleted and gives access to customer data, orders, settings, and user/role management; the same script can exfiltrate data or grant permissions to the attacker's account. Direct account creation by the low-privileged uploader is blocked, so exploitation requires the administrator to open the file. The 3.x prerelease line already excludes SVG but still allows executable product files. This issue is fixed in versions 2.10.1 and 3.0.0-beta.3.
- Record
CVE-2026-62990- CVSS 3.1
- 8.7 High
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N - Weakness
- CWE-269, CWE-79
- Updated
- 2026-11-05
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| references | CVE List, NVD | |
| facts | EUVD | |
| first indexed | CVE List, EUVD, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-62990 is a high vulnerability (CVSS 8.7) in Shopperdotcom Shopper, published October 30, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.24%, the 15th percentile. No source names a fixed version.
References
github.com/shopperlabs/shopper/security/advisories/GHSA-vmvv-x5cp-2qv6
github.com/shopperlabs/shopper/pull/595
github.com/shopperlabs/shopper/pull/597
github.com/shopperlabs/shopper/commit/12be681db5f603a364d5f03f1974ff2a20e99b99
github.com/shopperlabs/shopper/commit/ad2c5b9b968ff49c37130c6b9d1dba7f20eebbf6
github.com/shopperlabs/shopper/compare/v3.0.0-beta.1...v3.0.0-beta.3