{"items":[{"id":"NVI-00005182","kind":"vulnerability","title":"Magento DOM-based Cross-Site Scripting vulnerability on mage-messages cookies","revision":3,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-39ch-rg26-gmq5","CVE-2021-28556"],"plain_summary":"OSV carries this publisher advisory for magento/community-edition, magento/community-edition, magento/project-community-edition. This is an aggregated source copy; consult the original publisher and compare update dates.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"The original advisory lists fixed boundaries 2.4.2-p1 for magento/community-edition. 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This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-8bdb6f08a135b02c69f7cb06663deefb"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"EPSS","as_of":"2026-10-31T12:00:27.000Z","value":"1.397%","meaning":"FIRST EPSS model v2026.06.15; exploitation probability over 30 days, percentile 0.72427. Missing scores are unknown.","source_id":"sr-8bdb6f08a135b02c69f7cb06663deefb"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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