Multiple PHP remote file inclusion vulnerabilities in FreeSchool 1.1.0 and earlier allow remote attackers to execute arbitrary PHP code via a URL in the CLASSPATH parameter to (1) bib_form.php, (2) bib_pldetails.php, (3) bib_plform.php, (4) bib_plsearchc.php, (5) bib_plsearchs.php, (6) bib_save.php, (7) bib_searchc.php, (8) bib_searchs.php, (9) edi_form.php, (10) edi_save.php, (11) gen_form.php, (12) gen_save.php, (13) lin_form.php, (14) lin_save.php, (15) luo_form.php, (16) luo_save.php, (17) sog_form.php, or (18) sog_save.php in biblioteca/; (19) cal_insert.php, (20) cal_save.php, or (21) cal_saveactivity.php in calendario/; (22) circolari/cir_save.php; or (23) modulistica/mdl_save.php.