CVE-2020-13971 json
Shopware vulnerable to Cross-site Scripting
published 6y ago modified 4mo ago also GHSA-fxf3-wx3c-76pf , EUVD-2022-3854
- cvss
- 5.4
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.6%
- EPSS 0.6% chance of exploitation in 30 days, percentile 48%
- public exploits
- 0
- none known
Summary
In Shopware before 6.2.3, authenticated users are allowed to use the Mediabrowser fileupload feature to upload SVG images containing JavaScript. This leads to Persistent XSS. An uploaded image can be accessed without authentication.
Patch / fix
- packagist shopware/platform 6.2.3
- shopware shopware 6.2.3
Is CVE-2020-13971 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.
Check with FencerExploit prediction
0.58% chance of exploitation in the next 30 days, higher than 48% of all scored CVEs (FIRST EPSS, 2026-11-09).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
| NVD | 2.0 | 3.5 | AV:N/AC:M/Au:S/C:N/I:P/A:N |
| GitHub | 3.1 | 5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | shopware/platform | <6.2.3 |
6.2.3 |
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
shopware.com
/en/changelog/#6-2-3
web, release-notes, vendor-advisory
-
docs.shopware.com
/en/shopware-6-en/security-updates/security-update-07-2020
web, vendor-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-13971
advisory
-
github.com
/shopware/platform
package
Sources
- CVE List CVE-2020-13971
- GitHub Advisory GHSA-fxf3-wx3c-76pf
- NVD CVE-2020-13971
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.