fix(security): restrict unserialize allowed_classes (ZDI-20-1051)#47
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Follow-up to horde/imp#7 Deserialization restricted to data-only (allowed_classes => false) for: fb_cals, display_cals, remote_cals, show_location, show_time, event_alarms, calendar display prefs. Kronolith_Attendee_List allows only Kronolith_Attendee objects. Kronolith_Attendee::unserialize() restricted to data-only.
This was referenced May 27, 2026
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ZDI-20-1051 related PRs across the Horde ecosystem
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This was referenced May 27, 2026
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Summary
Follow-up to horde/imp#7
@unserialize()calls on prefs data now passallowed_classesrestrictionsallowed_classes => falseto prevent object instantiationKronolith_Attendee_List::unserialize()whitelists onlyKronolith_AttendeeKronolith_Attendee::unserialize()restricted to data-only (its serialized form is a plain array)