The boy was injured in the leg on Sunday and treated at a nearby hospital, Aljazeera's correspondent reported.
Medical sources told Aljazeera that around ten other Palestinians were also injured, some by live bullets, following protests later in the day.
Clashes have continued in the town as Israeli troops occupied several buildings, under the pretext of searching for wanted resistance fighters.
Aljazeera's correspondent reported that the occupation forces also attempted to force foreign peace activists out of the city after declaring it a closed military zone.
The activists earlier on Sunday broke the curfew and together with Palestinians marched through the Old City in solidarity with the affected citizens.
Families of Palestinian detainees on hunger strike in Israeli jails also protested.
Israeli soldiers fired teargas to disperse the protesters in the centre of the city, though some Palestinians were reportedly wounded by live bullets.
Ten Palestinians and at least three foreign activists were detained.
Israeli forces said on Saturday they had blown up a suspected bomb-making operation hidden in a metal workshop in the Old City of Nablus.