Threats Tagged 'cve-2026-55247'
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Threats Tagged 'cve-2026-55247'
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CVE-2026-55247 is a critical vulnerability in plone.app.event, a Plone event content type. Versions prior to 5.2.4 and 6.0.1 allow a logged-in editor to exploit insufficient restrictions on iCalendar import URLs, leading to uncontrolled resource consumption and potential denial of service. The flaw also permits storing malicious event URLs that can execute scripts in other users' browsers. The issue is fixed in versions 5.2.4 and 6.0.1 by restricting URLs, limiting import size and event count, using transaction savepoints, and validating URLs. 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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