UTF-7 ã使ã£ã¦ã¹ã¯ãªãããè¨è¿° +ADw-SCRIPT+AD4-alert(\'XSS\');+ADw-+AC8-SCRIPT+AD4- IE ã¯ãæåã¨ã³ã³ã¼ãã£ã³ã°ãä¸æ㧠UTF-7 ã£ã½ãæååãããã°ãèªåå¤å¥ã§ UTF-7 ã¨ãªãã
UTF-7 ã使ã£ã¦ã¹ã¯ãªãããè¨è¿° +ADw-SCRIPT+AD4-alert(\'XSS\');+ADw-+AC8-SCRIPT+AD4- IE ã¯ãæåã¨ã³ã³ã¼ãã£ã³ã°ãä¸æ㧠UTF-7 ã£ã½ãæååãããã°ãèªåå¤å¥ã§ UTF-7 ã¨ãªãã
XSSã®èå¼±æ§ãéããªããªããæ¹æ³ XSSãã¯ãã£ã¦ããã®ã§ä¾¿ä¹ãã¦ããã¾ãã ç§ããã使ãæ¹æ³ãªãã§ããããã®æ¹æ³ãå©ç¨ããã¨XSSã®èå¼±æ§ãéããªããªãããã¨ãåºæ¥ã¾ãã 対å¿æ¹æ³ã¯ãPHPãã¡ã¤ã«ã®æåã«ä»¥ä¸ã®ã³ã¼ããæ¿å ¥ããã ãã foreach($_GET as $key => $value){ $_GET[$key] = htmlspecialchars(htmlspecialchars_decode($value,ENT_QUOTES),ENT_QUOTES); } foreach($_POST as $key => $value){ $_POST[$key] = htmlspecialchars(htmlspecialchars_decode($value,ENT_QUOTES),ENT_QUOTES); } ããã§èªåçã«ã¨ã¹ã±ã¼ãã®å¦çãè¡ã£ã¦ããã¾ãã é常ã®XSS対
ãªãªã¼ã¹ãé害æ å ±ãªã©ã®ãµã¼ãã¹ã®ãç¥ãã
ææ°ã®äººæ°ã¨ã³ããªã¼ã®é ä¿¡
å¦çãå®è¡ä¸ã§ã
j次ã®ããã¯ãã¼ã¯
kåã®ããã¯ãã¼ã¯
lãã¨ã§èªã
eã³ã¡ã³ãä¸è¦§ãéã
oãã¼ã¸ãéã
{{#tags}}- {{label}}
{{/tags}}