What is CVE-2025-32378?

CVE-2025-32378 is a medium-severity vulnerability in Shopware, classified under CWE-799. CVSS score: 5.3/10. Published 2025-04-09.

How severe is CVE-2025-32378?

Medium severity. CVSS v3 base score is 5.3 out of 10.

Vulnerability in Shopware

CVE-2025-32378

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.

EPSS: 0.003 (21.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

Affected products

Shopware — versions >= 6.7.0.0-rc1, < 6.7.0.0-rc2, < 6.5.8.17, 6.7.0.0

Weakness classification (CWE)

CWE-799

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2025-32378?: CVE-2025-32378 is a medium-severity vulnerability in Shopware, classified under CWE-799. CVSS score: 5.3/10. Published 2025-04-09.
How severe is CVE-2025-32378?: Medium severity. CVSS v3 base score is 5.3 out of 10.