Multiple cross-site scripting (XSS) vulnerabilities in EZGallery 1.5 and earlier allow remote attackers to inject arbitrary web script or HTML via the (1) pUserID, (2) aid, (3) aname, (4) uid, and (5) m parameter in (a) common/galleries.asp; (6) aid, (7) aname, (8) uid, (9) m, (10) gp, and (11) g parameter in (b) common/pupload.asp; and (12) msg, (13) fn and (14) gp parameter in (c) common/upload.asp.
https://exchange.xforce.ibmcloud.com/vulnerabilities/27066
http://www.vupen.com/english/advisories/2006/2298
http://secunia.com/advisories/20553
http://pridels0.blogspot.com/2006/06/ezgallery-v15-xss-vuln.html