14个Vue中易被攻击的代码位置小结

<template>
  <div>
    <input type="text" v-model="userInput" />
    <button @click="submit">提交</button>
    <p>{{ userInput }}</p>
  </div>
</template>

<script>
export default {
  data() {
    return {
      userInput: ''
    };
  },
  methods: {
    submit() {
      // 对用户输入进行转义，防止XSS攻击
      this.userInput = this.userInput
        .replace(/&/g, '&amp;')
        .replace(/</g, '&lt;')
        .replace(/>/g, '&gt;')
        .replace(/"/g, '&quot;')
        .replace(/'/g, '&#039;');
    }
  }
};
</script>

<template>
  <div>
     <!-- 此处展示用户输入的内容 -->
     <div v-html="userInput"></div> 
  </div>
</template>

​​​​​​​<script>
export default {
  data() {
    return {
      userInput: '<script>alert("XSS 攻击！");</script>'
    };
  }
};
</script>

<template>
  <form @submit.prevent="submitForm">
    <input type="text" v-model="username" />
    <input type="password" v-model="password" />
    <button type="submit">登录</button>
  </form>
</template>

<script>
export default {
  methods: {
    submitForm(event) {
      // 将用户输入直接传递给数据库查询，可能导致 SQL 注入攻击
      fetch(`/login`, {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify({
          username: this.username,
          password: this.password
        })
      })
        .then(response => response.json())
        .then(data => {
          if (data.success) {
            // 登录成功逻辑
          } else {
            // 登录失败逻辑
          }
        });
    }
  }
};
</script>

<template>
  <div>
    <input type="file" @change="onFileChange" />
    <button type="submit" @click="submitForm">上传</button>
  </div>
</template>

​​​​​​​<script>
export default {
  methods: {
    onFileChange(event) {
      const file = event.target.files[0];
      const formData = new FormData();
      formData.append('file', file);
      this.$http.post('/api/upload', formData, {
        headers: {
          'Content-Type': 'multipart/form-data'
        }
      }).then(response => {
        // 处理上传成功的逻辑
      });
    },
    submitForm() {
      // 提交表单
    }
  }
};
</script>

localStorage.setItem(‘password', ‘123456');

this.$http.get(‘/api/data?' + this.queryParams);

this.$http.post(‘/api/checkout', { creditCardNumber: ‘1234567890123456' });

if (user.role === ‘admin') {
// 允许管理员访问的功能
} else {
// 其他用户的功能
}

const router = new VueRouter({
  routes: [
    {
      path: '/private',
      component: PrivateComponent,
      beforeEnter(to, from, next) {
        if (to.path === '/private') {
          // 检查用户是否已登录
          if (!user.loggedIn) {
            next('/login');
          } else {
            next();
          }
        }
      }
    },
    {
      path: '/login',
      component: LoginComponent
    }
  ]
});

export default new Vue({
  router,
  render: h => h(App)
}).$mount('#app');

import ThirdPartyComponent from ‘untrusted-component';

console.log(‘Password:', password);

// actions.js
export default {
  async nuxtServerInit({ dispatch, commit }, { app, user }) {
    if (user) {
      const response = await fetch('/api/auth', {
        method: 'POST',
        headers: {
          'Content-Type': 'application/json'
        },
        body: JSON.stringify(user)
      });
      const data = await response.json();

      if (data.success) {
        commit('SET_TOKEN', data.token);
      }
    }
  }
};

// store.js
export default {
  namespaced: true,
  state: {
    token: ''
  },
  mutations: {
    SET_TOKEN(state, token) {
      state.token = token;
    }
  },
  actions: {
    nuxtServerInit
  }
};

const router = new VueRouter({
  routes: [
    {
      path: '/private',
      component: PrivateComponent
    },
    {
      path: '/login',
      component: LoginComponent
    }
  ]
});

export default new Vue({
  router,
  render: h => h(App)
}).$mount('#app');

const app = new Vue({
  router,
  store,
  render: h => h(App)
}).$mount('#app');

​​​​​​​// 后端设置
app.$http.options.baseUrl = '/api'; 
// 或者
// app.$http.baseUrl = '/api';