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CVE-2026-75510— Novu: Stored XSS in In-App Inbox via notification redirect.url javascript: scheme

一分钟漏洞结论

影响对象
novuhq novu
利用判断
尚无明确在野利用证据，仍需结合暴露面评估
建议动作
优先检查厂商安全公告和参考链接中的修复版本；无法立即升级时，限制受影响服务暴露并加强监测。

Novu provides an API for sending notifications through multiple channels. Prior to 3.18.0, Novu's @novu/js In-App Inbox and the @novu/react Inbox component accept a notification call-to-action redirect.url from the v1 cta.data object and pass it through apps/a

CVSS 5.1 · Medium
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一、 漏洞 CVE-2026-75510 基础信息

漏洞信息

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Vulnerability Title
Novu: Stored XSS in In-App Inbox via notification redirect.url javascript: scheme
来源: CVE Program / CVE List V5
Vulnerability Description
Novu provides an API for sending notifications through multiple channels. Prior to 3.18.0, Novu's @novu/js In-App Inbox and the @novu/react Inbox component accept a notification call-to-action redirect.url from the v1 cta.data object and pass it through apps/api/src/app/inbox/utils/notification-mapper.ts and packages/js/src/ui/components/Notification/DefaultNotification.tsx to the navigate function in packages/js/src/ui/context/InboxContext.tsx without validating its URL scheme. An authenticated organization member or environment API-key holder can store a javascript: redirect with target _self in an in-app workflow. When a recipient using a Chromium-based browser clicks the notification, window.open executes the redirect in the current inbox-hosting origin, which can expose session material and permit authenticated actions in a customer application or the self-hosted Novu dashboard. This issue is fixed in version 3.18.0.
来源: CVE Program / CVE List V5
CVSS Information
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
来源: CVE Program / CVE List V5
Vulnerability Type
在Web页面生成时对输入的转义处理不恰当(跨站脚本)
来源: CVE Program / CVE List V5

受影响产品

厂商 产品 影响版本 CPE 订阅
novuhq novu < 3.18.0 -

二、漏洞 CVE-2026-75510 的公开POC

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三、漏洞 CVE-2026-75510 的情报信息

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CVE-2026-75510 其他参考 (4)

同批安全公告 · novuhq · 2026-09-22 · 共 3 条

CVE-2026-75517 6.5 MEDIUM Novu: Cross-Environment Integration Manipulation (IDOR)
CVE-2026-75511 5.3 MEDIUM Novu: Server-Side Request Forgery (SSRF) via Chat Provider Webhook URLs

IV. Related Vulnerabilities

Same product: novu
Same vendor: novuhq
Same weakness: CWE-79

V. Comments for CVE-2026-75510

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