CVE-2026-5808 | openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c Onboarding Endpoint client.tsx callbackURL cross site scripting

VDB-356245 · CVE-2026-5808 · GCVE-100-356245 OPENSTATUSHQ OPENSTATUS UP TO 1B678E71A85961AE319CBB214A8EAE634059330C ONBOARDING ENDPOINT CLIENT.TSX CALLBACKURL CROSS SITE SCRIPTING HISTORYDIFFRELATEJSONXMLCTI Summaryinfo A vulnerability, which was classified as problematic, has been found in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. Affected is an unknown function of the file apps/dashboard/src/app/(dashboard)/onboarding/client.tsx of the component Onboarding Endpoint. This manipulation of the argument callbackURL causes cross site scripting. This vulnerability is registered as CVE-2026-5808. Remote exploitation of the attack is possible. No exploit is available. This product follows a rolling release approach for continuous delivery, so version details for affected or updated releases are not provided. Applying a patch is the recommended action to fix this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Detailsinfo A vulnerability was found in openstatusHQ openstatus up to 1b678e71a85961ae319cbb214a8eae634059330c. It has been declared as problematic. Affected by this vulnerability is an unknown functionality of the file apps/dashboard/src/app/(dashboard)/onboarding/client.tsx of the component Onboarding Endpoint. The manipulation of the argument callbackURL with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The advisory is shared at gist.github.com. This vulnerability is known as CVE-2026-5808. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue. The vendor was contacted early, responded in a very professional manner and quickly released a fixed version of the affected product. Applying the patch 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb is able to eliminate this problem. The bugfix is ready for download at github.com. Productinfo Vendor openstatusHQ Name openstatus Version 1b678e71a85961ae319cbb214a8eae634059330c License open-source Website Product: https://github.com/openstatusHQ/openstatus/ CPE 2.3info 🔒 CPE 2.2info 🔒 CVSSv4info VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv3info VulDB Meta Base Score: 4.3 VulDB Meta Temp Score: 4.1 VulDB Base Score: 4.3 VulDB Temp Score: 4.1 VulDB Vector: 🔒 VulDB Reliability: 🔍 CVSSv2info Vector Complexity Authentication Confidentiality Integrity Availability Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock Unlock VulDB Base Score: 🔒 VulDB Temp Score: 🔒 VulDB Reliability: 🔍 Exploitinginfo Class: Cross site scripting CWE: CWE-79 / CWE-94 / CWE-74 CAPEC: 🔒 ATT&CK: 🔒 Physical: No Local: No Remote: Yes Availability: 🔒 Status: Not defined Price Prediction: 🔍 Current Price Estimation: 🔒 0-Day Unlock Unlock Unlock Unlock Today Unlock Unlock Unlock Unlock Threat Intelligenceinfo Interest: 🔍 Active Actors: 🔍 Active APT Groups: 🔍 Countermeasuresinfo Recommended: Patch Status: 🔍 0-Day Time: 🔒 Patch: 43d9b2b9ef8ae1a98f9bdc8a9f86d6a3dfaa2dfb Timelineinfo 04/08/2026 Advisory disclosed 04/08/2026 +0 days VulDB entry created 04/08/2026 +0 days VulDB entry last update Sourcesinfo Product: github.com Advisory: gist.github.com Status: Confirmed Confirmation: 🔒 CVE: CVE-2026-5808 (🔒) GCVE (CVE): GCVE-0-2026-5808 GCVE (VulDB): GCVE-100-356245 Entryinfo Created: 04/08/2026 17:01 Changes: 04/08/2026 17:01 (59) Complete: 🔍 Submitter: trebledj Cache ID: 99:A97:101 Submitinfo Accepted Submit #787321: OpenStatus HQ OpenStatus 20260314 DOM-Based XSS, Open Redirect (by trebledj) Discussion No comments yet. Languages: en. Please log in to comment. ◂ PreviousOverviewNext ▸