Export limit exceeded: 384953 CVEs match your query. Please refine your search to export 10,000 CVEs or fewer.

Export limit exceeded: 384953 CVEs match your query. Please refine your search to export 10,000 CVEs or fewer.

Export limit exceeded: 384953 CVEs match your query. Please refine your search to export 10,000 CVEs or fewer.

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CVE Vendors Products Updated CVSS v3.1
CVE-2026-55247 1 Plone 1 Plone.app.event 2026-08-31 9.1 Critical
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.