Threats Tagged 'cve-2026-55247'
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Threats Tagged 'cve-2026-55247'
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CVE-2026-55247: CWE-400: Uncontrolled Resource Consumption in plone plone.app.eventCVE-2026-55247 0 plone.app.event provides the event content type for Plone. Prior to versions 5.2.4 and 6.0.1, the iCalendar import in src/plone/app/event/ical/importer.py accepts insufficiently restricted calendar and event URLs, does not adequately bound downloaded bytes or imported events, and commits work per event. A logged-in editor can make the server request internal network resources or local calendar files, exhaust resources and take the site offline, and store a malicious event URL that executes script in another user's browser. The fix restricts accepted URLs, applies MAXIMUM_ICAL_IMPORT_SIZE_BYTES and MAXIMUM_ICAL_IMPORT_EVENTS limits, uses transaction savepoints, and validates event URLs. This issue is fixed in versions 5.2.4 and 6.0.1. Join the discussion | CVE Database V5 | 08/28/2026, 18:59:01 UTC Added: 08/28/2026, 19:39:56 UTC |
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