Use of Cookies

This page documents the use of cookies in Koha for the purpose of creating data privacy documentation as needed by European GDPR and possibly other laws.

• Interface: Staff or OPAC
• Module: Acquisitions, Serials, OPAC, ...
• Version: Koha version this was introduced if known
• Name: Name of the cookie
• Value: Value of the cookie
• Expiration: duration of storage
• Description: Description of the usage in Koha

This data is based on 16.11. Cookies added in later versions are indicated in the version column.

Interface	Module	Storage	Version	Name	Value	Expiration	Description	Bug
OPAC/Staff	All pages	Cookie		CGISESSID	session ID	Until logout or end of session	Session cookie
OPAC/Staff	All pages	Cookie		KohaOpacLanguage	language code	3 years	Stores the language the user selected so that the OPAC will appear in the same language the next time its visited.
OPAC		Cookie		form_serialized form_serialized_limits	Search terms and limits	End of session or when the advanced search page is accessed again.	jQuery cookie. Stores search terms and limits of the last advanced search. Set when an advanced search is submitted.
OPAC		Cookie		search_path_code	ads (fewer) or exs (more)	End of session or when the advanced search page is accessed again.	jQuery cookie. Related to serialized_form* cookies. Stores if the advanced search form was used with 'More options' or 'Fewer options'.
OPAC		Cookie		num_paragraph	count of search options added	End of sesion or when the advanced search page is accessed again.	jQuery cookie. Used to store the number of created options when user selects 'More options' in advanced search to increase search boxes.
OPAC		Cookie		bib_list	list of record ids (biblionumbers) separated by /	End of session or until the cart is emptied	Stores cart contents in OPAC. Set when records are added to the cart for the first time.
Staff	Catalogue	Cookie		intranet_bib_list	list of record ids (biblionumbers) separated by /	End of session or until the cart is emptied	Stores cart contents in the staff interface. Set when records are added to the cart for the first time.
Staff	Catalogue	Cookie	18.05	bibs_selected	Array, comma separated list of record numbers (biblionumbers)	End of session	JavaScript cookie. Stores biblionumbers of entries selected in a search result list. Used by the BrowseResultSelection feature, lists and cart.
Staff	Cataloguing	Cookie		marctags_<borrowernumber>	show or hide	365 days	Stores whether the user wants to show/hide MARC tags when cataloguing.
Staff	Cataloguing	Cookie		marcdocs_<borrowernumber>	show or hide	365 days	Stores whether the user wants to show/hide marcdocs when cataloguing.
Staff	Cataloguing	Cookie		catalogue_editor_<borrowernumber>	basic or advanced	365 days	Stores whether or not to use the advanced or basic cataloguing editor by default.
Staff	Cataloguing	Cookie		LastCreatedItem	Serialized item information (subfields and contents of subfields)	End of session	Used to store item values of the last item created when using the PrefillItem system preference. It will use the values of the last item to prepopulate the values of the next item created.
Staff	Circulation	Cookie		holdfor	patron id (borrowernumber)	10 minutes	JavaScript cookie. Stores information about the patron when using the 'Search for hold' feature.
Staff	Circulation	Cookie	18.11	lastborrowernumber lastborrowername lastborrowercard currentborrowernumber	patron ids, first name and surname, cardnumber	End of session	JavaScript cookie. Stores information about the last accessed patron record in order to provide a link to the 'last patron'. Visibility of the link can be configured using the showLastPatron system preference.
Staff	Circulation	Cookie		issues-table-load-immediately-circulation	true	365 days	Stores if the user selected to see all checkouts immediately on the checkouts or details tab in the patron account.
Staff	Authorities	Cookie		auth_to_merge	Array of authority record ids	End of session	Stores authority records selected to be merged.
Staff	Administration	Cookie		marctagstructure_selectdisplay	0 or 1	End of session	Stores whether or not only used tags/subfields are displayed for MARC bibliographic frameworks.
Staff	Acquisitions	Cookie		filter_parcel_summary filter_parcel_basketname filter_parcel_orderno filter_parcel_basketgroupname filter_parcel_ean	Search terms entered in filters	End of session	JavaScript cookie. Stores the values entered in the filters on the left of the parcel/shipment page so they are remembered when returning to the page after receiving an order line.
Staff	Acquisitions	Cookie	20.05	searchToOrder	basket number, vendor ID	10 minutes	JavaScript cookie. Stores information about the basket (order) and vendor when creating orders from bibliographic records already existing in the catalog.
Staff	Cataloguing	Cookie	21.05	z3950search_last_action	button name	does not apply	localStorage key. Stores your last choice for Card or MARC button on Z3950 search results.
Staff	Cataloguing	Cookie	22.05	always_show_holds				Bug 29058
Staff	Cataloguing	Cookie	22.11.0	ItemEditorSessionTemplateId	template id	Until end of session	Stores the id of the item editor template if any. If exists, the values from that template are applied to the item form in the items editor.	Bug 24606
OPAC/Staff	All pages	Local Storage	23.11	CookieConsent	JavaScript code	Session	JavaDcript code that has been consented to as part of cookie consent. This code is created and stored in the system preference 'CookieConsentedJS'. There will be one cookie for every code entry in this system preference, stored under the name given in the system preference.	Bug 27378