{"items":[{"id":"NVI-00004263","kind":"vulnerability","title":"MantisBT is Vulnerable to Stored XSS in Custom Field Textarea Values","revision":5,"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-qj6w-v29q-4rgx","CVE-2026-39960"],"plain_summary":"GitHub lists this reviewed advisory for mantisbt/mantisbt. Published version ranges and source prerequisites are shown below; this is not an inspection of a visitor’s application.","review_status":"source_listed","control_topics":[],"public_actions":[{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-257cfcc0f0e5ff2d834222bc4b2f3912"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. 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