linuxfoundation auth_backend 在web页面生成时对输入的转义处理不恰当(跨站脚本)

CVE编号

CVE-2021-43776

利用情况

暂无

补丁情况

N/A

披露时间

2021-11-27
漏洞描述
Backstage is an open platform for building developer portals. In affected versions the auth-backend plugin allows a malicious actor to trick another user into visiting a vulnerable URL that executes an XSS attack. This attack can potentially allow the attacker to exfiltrate access tokens or other secrets from the user's browser. The default CSP does prevent this attack, but it is expected that some deployments have these policies disabled due to incompatibilities. This is vulnerability is patched in version `0.4.9` of `@backstage/plugin-auth-backend`.
解决建议
建议您更新当前系统或软件至最新版,完成漏洞的修复。
受影响软件情况
# 类型 厂商 产品 版本 影响面
1
运行在以下环境
应用 linuxfoundation auth_backend * Up to
(excluding)
0.4.9
CVSS3评分
7.4
  • 攻击路径
    网络
  • 攻击复杂度
  • 权限要求
  • 影响范围
    已更改
  • 用户交互
    需要
  • 可用性
  • 保密性
  • 完整性
CWE-ID 漏洞类型
CWE-79 在Web页面生成时对输入的转义处理不恰当(跨站脚本)
阿里云安全产品覆盖情况