A threat actor has infected 953 online stores, primarily running Magento, with loader code as part of a long-lasting campaign since July 2025.

The vulnerability or weakness

CVECVSSSeverityIn CISA KEVKEV due date
CVE-2025-542369.1CRITICALYes, added 2025-10-242025-11-14
CVE-2026-483569.3CRITICALNo-

CVE data: NVD (nvd.nist.gov) and the CISA Known Exploited Vulnerabilities catalog.

Earlier attacks and coverage

No earlier related attack in our archive yet.

Business impact

This attack can lead to financial losses, data breaches, and reputational damage for the infected stores, as well as potential legal consequences.

Industries affected

E-commerce and online retail businesses are primarily affected.

Users affected

Online store owners and their customers may face risks such as data theft and exposure to malicious scripts, requiring them to take immediate action to secure their sites.

Sources