POJIA破甲
地图 / 1-Click Account Takeover via Open Redirect through Regex Bypass in Domain Validation

1-Click Account Takeover via Open Redirect through Regex Bypass in Domain Validation

访问控制 / 访问控制缺陷(通用) / #3723458

厂商
Khan Academy
严重程度
高危 · CVSS 9.6
赏金
—
弱点
访问控制缺陷(通用)
研究员
@farr
披露日期
2026-06-20
资产
—
CVE
—

该报告还没有中文解读。

原文摘录

摘自原文(8153 字符中的一小部分)
During my security research, I identified a critical vulnerability chain that allows an attacker to achieve full account takeover of any Khan Academy user. The attack exploits an unescaped dot flaw in the `KA_DOMAIN_REGEX` regular expression used to validate redirect URLs, combined with the …
原文中的代码
KA_DOMAIN_REGEX = /(^|\.)(khanacademy\.(org|dev|test|local)|kastatic\.org|.*-6fmjyrz2lq-uc.a.run.app)$/

默认不展示报告全文。以上为简短摘录,完整复现过程请阅读原文。版权归研究员与 Khan Academy 所有。

时间线

  • 报告提交
  • 公开披露
阅读 HackerOne 原文 ↗作者 @farr · 版权归作者与 Khan Academy 所有

同类报告

Account Takeover via Password Reset without user interactionsGitLab · 2025-02-26 · $35,000Exfiltrate and mutate repository and project data through injected templated serviceGitLab · 2019-03-05 · $11,000Getting all the CD keys of any gameValve · 2018-10-31 · $20,000Ability to reset password for accountUpserve · 2019-06-06Publicly accessible Continuous Integration ToolSnapchat · 2021-07-29One-click account hijack for anyone using Apple sign-in with Reddit, due to response-type switch + leaking href to XSS on www.redditmedia.comReddit · 2022-08-02