How severe is CVE-2019-12935?

CVE-2019-12935 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.

Is CVE-2019-12935 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-12935?

CVE-2019-12935 affects Shopware. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2019-12935?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2019-12935 published?

CVE-2019-12935 was published on 2019-06-23 and last updated on 2026-06-17.

CVE-2019-12935

CVE-2019-12935 is a high-severity vulnerability in Shopware with a CVSS 3.x base score of 7.4. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: High (CVSS 3.x base score 7.4)
CVSS v2: 4.3
EPSS exploit prediction: 3% (84th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-79
Affected product: Shopware
Published: 2019-06-23
Last modified: 2026-06-17

Description

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

Frequently asked questions

What is CVE-2019-12935?: Shopware before 5.5.8 has XSS via the Query String to the backend/Login or backend/Login/load/ URI.
How severe is CVE-2019-12935?: CVE-2019-12935 has a CVSS 3.x base score of 7.4, rated high severity. It is exploitable over network with low attack complexity, requires no privileges and user interaction. Impact on confidentiality is high, integrity none, and availability none.
Is CVE-2019-12935 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 3% (84th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2019-12935?: CVE-2019-12935 affects Shopware. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2019-12935?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2019-12935 published?: CVE-2019-12935 was published on 2019-06-23 and last updated on 2026-06-17.

References

Affected products (1)

cpe:2.3:a:shopware:shopware:*:*:*:*:*:*:*:*

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