CVE-2026-50876 Details
Description
A cross-site scripting (XSS) vulnerability in Deck9 Input v2.0.1 allows attackers to execute arbitrary web scripts or HTML via a crafted payload.
A cross-site scripting (XSS) vulnerability exists in Deck9 Input version 2.0.1. This issue allows attackers to execute arbitrary web scripts or HTML by sending a crafted payload through a webhook response. The vulnerability arises because the application stores webhook response bodies and later renders them as HTML in the submission webhook status UI. This flaw enables the execution of malicious content in the browser context of users viewing the affected submission status, potentially accessing sensitive application data and session information.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Jun 15, 2026CISA-ADP
Assessed Jun 16, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://gist.github.com/pyuysig/0f5e37e12f760c3262b420b65eb6d5ae | [email protected] | ExploitTechnical Description |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-79 | Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') | CISA-ADP |
Affected Products
| Product | Versions |
|---|---|
| Deck9 Input | 2.0.1 (semver) |
CPE
Remediation
| |
Change History
4 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Jun 17, 2026 | CVE Modified | [email protected] |
| Jun 17, 2026 | CVE Modified | CISA-ADP |
| Jun 16, 2026 | CVE Modified | CISA-ADP |
| Jun 15, 2026 | New CVE Received | [email protected] |