diff --git a/rules/REQUEST-941-APPLICATION-ATTACK-XSS.conf b/rules/REQUEST-941-APPLICATION-ATTACK-XSS.conf index 3b2376b..504eb26 100644 --- a/rules/REQUEST-941-APPLICATION-ATTACK-XSS.conf +++ b/rules/REQUEST-941-APPLICATION-ATTACK-XSS.conf @@ -543,8 +543,11 @@ SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|REQUEST_COOKIES_NAMES|ARGS_NAME ctl:auditLogParts=+E,\ ver:'OWASP_CRS/3.3.5',\ severity:'CRITICAL',\ - setvar:'tx.xss_score=+%{tx.critical_anomaly_score}',\ - setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'" + chain" + SecRule REQUEST_COOKIES|!REQUEST_COOKIES:/__utm/|REQUEST_COOKIES_NAMES|ARGS_NAMES|ARGS|REQUEST_FILENAME|XML:/* "@rx [^\xe4]\xbc[^\x9a][^\xbe>]*[^\xe7][^\xa4][\xbe>]|<[^\xbe]*[^\xe7][^\xa4]\xbe" \ + "t:none,t:lowercase,t:urlDecode,t:htmlEntityDecode,t:jsDecode,\ + setvar:'tx.xss_score=+%{tx.critical_anomaly_score}',\ + setvar:'tx.anomaly_score_pl1=+%{tx.critical_anomaly_score}'" # # https://nedbatchelder.com/blog/200704/xss_with_utf7.html