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Fencer Intel
medium 4.9

CVE-2026-48015 json

Shopware: Stored XSS via SVG file upload — no SVG sanitization

published 5mo ago modified 2mo ago also EUVD-2026-45238 , GHSA-xvhc-gm7j-mhmc

cvss
4.9
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.5%
EPSS 0.5% chance of exploitation in 30 days, percentile 42%
public exploits
0
none known

Summary

Shopware is an open commerce platform. Prior to 6.6.10.18 and 6.7.10.1, SVG files are in the allowed_extensions whitelist in src/Core/Framework/Resources/config/packages/shopware.yaml and can be uploaded via the media manager without SVG content sanitization in the upload pipeline from MediaUploadController to FileSaver to TypeDetector, allowing malicious SVG JavaScript such as onload, <script>, and <foreignObject> to execute in the Shopware domain when the uploaded SVG is viewed. This issue is fixed in versions 6.6.10.18 and 6.7.10.1.

Patch / fix

  • packagist shopware/core 6.6.10.18, 6.7.10.1
  • packagist shopware/platform 6.6.10.18, 6.7.10.1
  • shopware shopware 6.6.10.18, 6.7.10.1

Is CVE-2026-48015 in your dependencies? Fencer shows which of your repositories are affected as soon as an advisory lands, and opens the fix as a pull request.

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CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
3mo ago

Exploit prediction

0.49% chance of exploitation in the next 30 days, higher than 42% of all scored CVEs (FIRST EPSS, 2026-11-11).

CVSS scores

assigned by version score vector
CNA 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N
GitHub 3.1 4.9 CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N

Affected packages

ecosystem package affected fixed in
packagist shopware/core
>=6.7.0.0, <6.7.10.1
<6.6.10.18
6.7.10.1
6.6.10.18
packagist shopware/platform
>=6.7.0.0, <6.7.10.1
<6.6.10.18
6.7.10.1
6.6.10.18

Affected products

  • shopware shopware
  • shopware platform

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.