Is CVE-2025-32378 in the CISA KEV catalog?

No. CVE-2025-32378 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-32378?

CVE-2025-32378 has a CVSS v3 base score of 5.3 (MEDIUM).

What is the EPSS score for CVE-2025-32378?

CVE-2025-32378 has an EPSS score of 0.27% (18th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-32378?

Upgrade shopware to 6.6.10.3 or later.

CVE & CISA-KEV Catalog

CVE-2025-32378

MEDIUM

5.3

CVSS v3

NVD

Description

Shopware is an open source e-commerce software platform. Prior to 6.6.10.3 or 6.5.8.17, the default settings for double-opt-in allow for mass unsolicited newsletter sign-ups without confirmation. Default settings are Newsletter: Double Opt-in set to active, Newsletter: Double opt-in for registered customers set to disabled, and Log-in & sign-up: Double opt-in on sign-up set to disabled. With these settings, anyone can register an account on the shop using any e-mail-address and then check the check-box in the account page to sign up for the newsletter. The recipient will receive two mails confirming registering and signing up for the newsletter, no confirmation link needed to be clicked for either. In the backend the recipient is set to “instantly active”. This vulnerability is fixed in 6.6.10.3 or 6.5.8.17.

CWE-799

How to fix

Remediation Available

shopwareNVD

Affected:>= 6.6.0.0, < 6.6.10.3Fixed in:6.6.10.3CVE-2025-32378derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredNone

User InteractionNone

ScopeUnchanged

Impact

ConfidentialityNone

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Exploit Intelligence

0.27%probability of exploitation in 30 days

18thpercentile

Low risk: more likely to be exploited than 18% of all known CVEs.

References

Vendor Advisory1

github.com

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-10.