Issue #144538 by acbramley, tuutti, Damien Tournoud, alexpott, solideogloria, Xano, TwoD, damiankloip, smustgrave, pameeela, deviantintegral, L_VanDamme, daften, karishmaamin, g.oechsler, larowlan, klausi, sun, Fabianx, andypost, dawehner, kwinters, greggles, Wim Leers, grendzy, pwolanin, alexanderpas, drumm, Chi: User logout is vulnerable to CSRF

Issue #2662646 by chera.jaswinder, philnguyen, Munavijayalakshmi, daften, fago, memtkmcc, colan, benjifisher, cilefen, britter, dagmar, tomogden, catch, robertloo, xjm, osopolar, wesleydv, YesCT, jhodgdon, xlin, dhopki12: Add the temporary files directory config to the example config overrides in default.settings.php