CVE-2019-12935 — Shopware before 5

Shopware before 5.5.8 has XSS via the Query String to the backend/Login or backend/Login/load/ URI.

01What is this vulnerability?

Shopware before 5.5.8 has XSS via the Query String to the backend/Login or backend/Login/load/ URI.

02Affected products

Vendor	Product	Versions
n	a / n/a	n/a

03Active exploitation status

Not currently listed on the CISA Known Exploited Vulnerabilities (KEV) catalog. EPSS is the best forward-looking signal — see the EPSS row above.

04Recommended remediation

• Patch to a fixed version listed in the vendor advisory (see references below).
• Mitigate with WAF rules, network egress filters, or feature flags where the patch is not yet available.
• Hunt historical logs for exploitation indicators — see Detection signatures below.

05Technical details

For the full vendor write-up, exploit chains, and reference implementations, see the references list in section 09.

06Detection signatures

Ask SARA in chat to draft a starting detection for this CVE in your stack of choice.

07Related CVEs

No directly-cited follow-up CVEs in the KB record for this advisory. The references list in section 09 carries the vendor cross-references.

08Timeline

• Published: 2019-06-23T22:23:15.000Z
• Last modified: 2024-08-04T23:32:55.570Z

09References

• packetstormsecurity.com — http://packetstormsecurity.com/files/153145/Shopware-5.5.6-Cross-Site-Scripting.…
• www.netsparker.com — https://www.netsparker.com/web-applications-advisories/ns-19-004-cross-site-scri…
• www.shopware.com — https://www.shopware.com/en/changelog/#5-5-8
• seclists.org — http://seclists.org/fulldisclosure/2019/Jun/32