CVE-2023-22734 Improper Input Newsletter subscription option validation in shopware

What is CVE-2023-22734?

CVE-2023-22734 is a medium-severity vulnerability in Shopware Shopware, published on 17 Jan 2023. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

Shopware is an open source commerce platform based on Symfony Framework and Vue js. The newsletter double opt-in validation was not checked properly, and it was possible to skip the complete double opt in process. As a result operators may have inconsistencies in their newsletter systems. This problem has been fixed with version 6.4.18.1. Users are advised to upgrade. Users unable to upgrade may find security measures are available via a plugin for major versions 6.1, 6.2, and 6.3. Users may also disable newsletter registration completely.

Weakness: CWE-20

Which versions are affected by CVE-2023-22734?

4 open source packages ship an affected version, including shopware/core and shopware/platform. It affects 1 product.

Products include Shopware Shopware.

How do I fix CVE-2023-22734?

Upgrade shopware/core to 6.4.18.1 or later.

Is CVE-2023-22734 being exploited?

There is no known exploitation of CVE-2023-22734 in the wild and no public exploit code.

Other vulnerabilities in Shopware Shopware

• CVE-2023-22731 Improper Control of Generation of Code in Twig rendered views in shopware Critical 10.0
• CVE-2016-3109 Shopware RCE Vulnerability Critical 9.8
• CVE-2024-22406 Blind SQL-injection in DAL aggregations in Shopware Critical 9.3
• CVE-2021-32711 Leak of information via Store-API Critical 9.1
• CVE-2026-31887 Shopware unauthenticated data extraction possible through store-api.order endpoint High 8.9

All Shopware Shopware vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-46h7-vj7x-fxg2.