Jenkins Credentials Plugin 1111.v35a_307992395 and earlier, except 1087.1089.v2f1b_9a_b_040e4, 1074.1076.v39c30cecb_0e2, and 2.6.1.1, does not escape the name and description of Credentials parameters on views displaying parameters, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.