Shopware before 5.5.8 has XSS via the Query String to the backend/Login or backend/Login/load/ URI.
CVE-2019-12935
This high-severity CVE scores 7.4 under NVD CVSS v3. EPSS exploit probability: 3.6%, top 12% of all CVEs by exploit prediction. GitHub Security Advisory data not yet ingested — confidence will rise once GHSA publishes (typical lag: hours to days for open-source ecosystem CVEs; never for infrastructure-only CVEs).
- High severity, but no confirmed exploitation yet
No vendor fix yet — apply a workaround or compensating control (WAF / firewall / segmentation) and watch for a patch.
- CVSS v3
- 7.4
- EG Score
- 7.4(medium)
- EPSS
- 84.3%
- KEV
- Not listed
Published
June 23, 2019
Last Modified
November 21, 2024
References (8)
- cve@mitrehttp://packetstormsecurity.com/files/153145/Shopware-5.5.6-Cross-Site-Scripting.html
- cve@mitrehttp://seclists.org/fulldisclosure/2019/Jun/32
- cve@mitrehttps://www.netsparker.com/web-applications-advisories/ns-19-004-cross-site-scripting-in-shopware/
- cve@mitrehttps://www.shopware.com/en/changelog/#5-5-8
- af854a3a-2127-422b-91ae-364da2661108http://packetstormsecurity.com/files/153145/Shopware-5.5.6-Cross-Site-Scripting.html
- af854a3a-2127-422b-91ae-364da2661108http://seclists.org/fulldisclosure/2019/Jun/32
- af854a3a-2127-422b-91ae-364da2661108https://www.netsparker.com/web-applications-advisories/ns-19-004-cross-site-scripting-in-shopware/
- af854a3a-2127-422b-91ae-364da2661108https://www.shopware.com/en/changelog/#5-5-8
Affected Packages
(1 across 1 ecosystem)
Packagist(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| shopware/shopware | 1.0.2 ... v5.5.7 (96 versions) | 5.5.8 | — |
Weakness Classification(1)
MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.
Data Freshness Timeline
(refreshed 10× in last 7d / 40× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-06 16:25 UTCEPSS rescore
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- 2026-06-19 19:23 UTCEPSS rescore
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- 2026-05-29 13:42 UTCEPSS rescore
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- 2026-05-27 18:06 UTCEG score recompute
- 2026-05-27 13:38 UTCEPSS rescore
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- 2026-05-26 07:17 UTCEPSS rescore
- 2026-05-26 07:17 UTCEPSS rescore
Publicly available exploits
(1 reference)Working exploit code is in the public domain. Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.
- Nucleihttp/cves/2019/CVE-2019-12935.yamlFirst seen Jan 1, 2019
Shopware < 5.5.8 - Cross-Site Scripting
Open source ↗
Related CVEs(same CWE)
Frequently asked(5)
What is CVE-2019-12935?
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Is CVE-2019-12935 actively exploited?
What is the CVSS score of CVE-2019-12935?
How do I remediate CVE-2019-12935?
Dependency Blast Radius
See which npm, PyPI, Go, and Maven packages are affected by CVE-2019-12935
Is Your Infrastructure Affected by CVE-2019-12935?
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