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GHSA-4h9w-7vfp-px8m
No affected components available
Impact
Currently the default settings for double-opt-in allow for mass unsolicited newsletter sign-ups without confirmation.
Default settings are:
Newsletter: Double Opt-in - active
Newsletter: Double opt-in for registered customers - disabled
Log-in & sign-up: Double opt-in on sign-up - 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”.
Patches
Update to Shopware 6.6.10.3 or 6.5.8.17
Workarounds
For older versions of 6.4, corresponding security measures are also available via a plugin. For the full range of functions, we recommend updating to the latest Shopware version.
The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker does not need any special privileges or access rights. No user interaction is needed for the attacker to exploit this vulnerability. The impact is confined to the system where the vulnerability exists. There is a low impact on the integrity of the data.
Exploitation attempts have been detected. Elevated vigilance and prompt remediation are advised.
The exploit probability is very low. The vulnerability is unlikely to be exploited in the next 30 days.
We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.
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