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CVE-2026-5808— openstatusHQ openstatus Onboarding Endpoint client.tsx cross site scripting

Quick assessment

Affected
openstatusHQ openstatus
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

openstatus是OpenStatus开源的一个开源状态页与可用性监控平台。 openstatus存在代码注入漏洞，该漏洞源于对Onboarding端点组件apps/dashboard/src/app/(dashboard)/onboarding/client.tsx文件中参数callbackURL的操作，可能导致跨站脚本。

CVSS 4.3 · Medium EPSS 0.49% · P41
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I. Basic Information for CVE-2026-5808

Vulnerability Information
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Vulnerability Title
openstatusHQ openstatus Onboarding Endpoint client.tsx cross site scripting
Source: CVE Program / CVE List V5
Vulnerability Description
A vulnerability was detected in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. This impacts an unknown function of the file apps/dashboard/src/app/(dashboard)/onboarding/client.tsx of the component Onboarding Endpoint. The manipulation of the argument callbackURL results in cross site scripting. The attack may be launched remotely. This product operates on a rolling release basis, ensuring continuous delivery. Consequently, there are no version details for either affected or updated releases. The patch is identified as 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb. It is advisable to implement a patch to correct this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Source: 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)
Source: CVE Program / CVE List V5
Vulnerability Title
openstatus 代码注入漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
openstatus是OpenStatus开源的一个开源状态页与可用性监控平台。 openstatus存在代码注入漏洞，该漏洞源于对Onboarding端点组件apps/dashboard/src/app/(dashboard)/onboarding/client.tsx文件中参数callbackURL的操作，可能导致跨站脚本。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
openstatusHQ openstatus 1b678e71a85961ae319cbb214a8eae634059330c -

II. Public POCs for CVE-2026-5808

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III. Intelligence Information for CVE-2026-5808

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Patches & Fixes for CVE-2026-5808 (1)

Proof of Concept for CVE-2026-5808 (1)

Vendor Pages for CVE-2026-5808 (1)

IV. Related Vulnerabilities

Same product: openstatus
Same vendor: openstatusHQ
Same weakness: CWE-79

V. Comments for CVE-2026-5808

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