{"id":207044,"date":"2025-07-08T09:43:17","date_gmt":"2025-07-08T01:43:17","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207044\/"},"modified":"2025-07-08T09:43:17","modified_gmt":"2025-07-08T01:43:17","slug":"%e4%bd%bf%e7%94%a8-golang-%e8%bf%9b%e8%a1%8c-xss-%e9%98%b2%e6%8a%a4","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207044\/","title":{"rendered":"\u4f7f\u7528 golang \u8fdb\u884c XSS \u9632\u62a4"},"content":{"rendered":"

<\/b> <\/p>\n

\u5f53\u524d\u4f4d\u7f6e\uff1a ><\/span> ><\/span> ><\/span> ><\/span> \u4f7f\u7528 golang \u8fdb\u884c XSS \u9632\u62a4<\/span><\/p>\n

\u6765\u6e90\uff1astackoverflow<\/span>
\n2024-04-19 17:27:29<\/span>
\n<\/i>0\u6d4f\u89c8<\/span>
\n<\/i>\u6536\u85cf<\/span> <\/p>\n

\u4eca\u5929\u7ed9\u5927\u5bb6\u5e26\u6765\u4e86\u300a\u4f7f\u7528 golang \u8fdb\u884c XSS \u9632\u62a4\u300b<\/span>\uff0c\u5176\u4e2d\u6d89\u53ca\u5230\u7684\u77e5\u8bc6\u70b9\u5305\u62ec<\/span>\u7b49\u7b49\uff0c\u65e0\u8bba\u4f60\u662f\u5c0f\u767d\u8fd8\u662f\u8001\u624b\uff0c\u90fd\u9002\u5408\u770b\u4e00\u770b\u54e6~\u6709\u597d\u7684\u5efa\u8bae\u4e5f\u6b22\u8fce\u5927\u5bb6\u5728\u8bc4\u8bba\u7559\u8a00\uff0c\u82e5\u662f\u770b\u5b8c\u6709\u6240\u6536\u83b7\uff0c\u4e5f\u5e0c\u671b\u5927\u5bb6\u80fd\u591a\u591a\u70b9\u8d5e\u652f\u6301\u5440\uff01\u4e00\u8d77\u52a0\u6cb9\u5b66\u4e60~<\/p>\n

\u95ee\u9898\u5185\u5bb9
\n <\/p>\n

\u6211\u6b63\u5728\u5173\u6ce8\u8fd9\u4e2a golang \u6559\u7a0b\u3002<\/p>\n

\u6211\u771f\u7684\u4e0d\u660e\u767d\u5e94\u8be5\u5c06\u6b64\u4ee3\u7801\u653e\u5728\u6211\u7684\u4ee3\u7801\u4e2d\u7684\u4ec0\u4e48\u4f4d\u7f6e<\/p>\n

t, err := template.new(\"foo\").parse(`{{define \"t\"}}hello, {{.}}!{{end}}`)\nerr = t.executetemplate(out, \"t\", \"<script>alert('you have been pwned')<\/script>\")<\/pre>\n
\u4ee5\u4e0b\u662f\u6211\u7684main.go<\/p>\n
package main\n\nimport (\n    \"fmt\"\n    \/\/\"html\/template\"\n    \"log\"\n    \"net\/http\"\n    \"strings\"\n    \"text\/template\"\n)\n\nfunc sayhelloname(w http.responsewriter, r *http.request) {\n    r.parseform() \/\/parse url parameters passed, then parse the response packet for the post body (request body)\n    \/\/ attention: if you do not call parseform method, the following data can not be obtained form\n    fmt.println(r.form) \/\/ print information on server side.\n    fmt.println(\"path\", r.url.path)\n    fmt.println(\"scheme\", r.url.scheme)\n    fmt.println(r.form[\"url_long\"])\n    for k, v := range r.form {\n        fmt.println(\"key:\", k)\n        fmt.println(\"val:\", strings.join(v, \"\"))\n    }\n    fmt.fprintf(w, \"hello astaxie!\") \/\/ write data to response\n}\n\nfunc login(w http.responsewriter, r *http.request) {\n    fmt.println(\"method:\", r.method) \/\/get request method\n    if r.method == \"get\" {\n        t, _ := template.parsefiles(\"login.gtpl\")\n        t.execute(w, nil)\n    } else {\n        r.parseform()\n        \/\/ logic part of log in\n        fmt.println(\"username:\", r.form[\"username\"])\n        fmt.println(\"password:\", r.form[\"password\"])\n        \n        \/\/i put the sample code here\n        t, err := template.new(\"foo\").parse(`{{define \"t\"}}hello, {{.}}!{{end}}`)\n        err = t.executetemplate(out, \"t\", \"<script>alert('you have been pwned')<\/script>\")\n    }\n}\n\nfunc main() {\n    http.handlefunc(\"\/\", sayhelloname) \/\/ setting router rule\n    http.handlefunc(\"\/login\", login)\n    err := http.listenandserve(\":9090\", nil) \/\/ setting listening port\n    if err != nil {\n        log.fatal(\"listenandserve: \", err)\n    }\n}<\/pre>\n
\u5f53\u6211\u5c06\u793a\u4f8b\u4ee3\u7801\u653e\u5165 func login \u5e76\u7f16\u8bd1\u540e\uff0c\u5b83\u60f3\u8981\u5728\u8fd9\u4e00\u884c\u201cout\u201d undefined<\/p>\n
err = t.ExecuteTemplate(out, \"T\", \"<script>alert('you have been pwned')<\/script>\")<\/pre>\n
\u8c01\u80fd\u5e2e\u6211\u89e3\u51b3\u8fd9\u4e2a\u95ee\u9898\u5417\uff1f \u8c22\u8c22<\/p>\n
 <\/p>\n
\u6b63\u786e\u7b54\u6848<\/h2>\n
 <\/p>\n
\u60a8\u5fc5\u987b\u5c06\u8f93\u51fa\u5199\u5165\u54cd\u5e94\u7f16\u5199\u5668\uff1a<\/p>\n
err = t.ExecuteTemplate(w, \"T\", \"<script>alert('you have been pwned')<\/script>\")<\/pre>\n
\u4ee5\u4e0a\u5c31\u662f\u300a\u4f7f\u7528 golang \u8fdb\u884c XSS \u9632\u62a4\u300b\u7684\u8be6\u7ec6\u5185\u5bb9\uff0c\u66f4\u591a\u5173\u4e8e\u7684\u8d44\u6599\u8bf7\u5173\u6ce8\u516c\u4f17\u53f7\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"
\u5f53\u524d\u4f4d\u7f6e\uff1a > > ...<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207044","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207044","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207044"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207044\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207044"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207044"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207044"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}