MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler

SummaryThe OAuth 2.0 setup wizard's local callback HTTP server reflects the error query parameter directly into an HTML response without any sanitization or encoding. An attacker can craft a malicious callback URL containing JavaScript in the error parameter that executes in the victim's browser...

CVE-2023-46019-Code-Projects-Blood-Bank-1.0-Reflected-Cross-Site-Scripting-Vulnerability

CVE-2023-46019-Code-Projects-Blood-Bank-1.0-Vulnerabilidad-de-Cross-Site-Scripting-Reflejado Autor del Exploit: ersinerenler Página del Proveedor https://code-projects.org/blood-bank-in-php-with-source-code Enlace del Software...

GHSA-G2R2-3J32-J27X MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler

Summary The OAuth 2.0 setup wizard's local callback HTTP server reflects the error query parameter directly into an HTML response without any sanitization or encoding. An attacker can craft a malicious callback URL containing JavaScript in the error parameter that executes in the victim's browser...

MCP Atlassian: Reflected XSS in OAuth Setup Callback Handler

Summary The OAuth 2.0 setup wizard's local callback HTTP server reflects the error query parameter directly into an HTML response without any sanitization or encoding. An attacker can craft a malicious callback URL containing JavaScript in the error parameter that executes in the victim's browser...

Cross-site Scripting (XSS)

Overview mcp-atlassian is a The Model Context Protocol MCP Atlassian integration is an open-source implementation that bridges Atlassian products Jira and Confluence with AI language models following Anthropic's MCP specification. This project enables secure, contextual AI interactions with...

PT-2026-96955

Name of the Vulnerable Software and Affected Versions MCP Atlassian versions prior to 0.22.0 Description The OAuth 2.0 setup wizard's local callback HTTP server reflects the error query parameter directly into an HTML response without sanitization or encoding. This occurs within the CallbackHandl...

CVE-2026-85577 AVideo userLogin.php Reflected XSS via error parameter

AVideo through commit c91b5975d contains a reflected cross-site scripting vulnerability in userLogin.php that allows unauthenticated attackers to inject arbitrary JavaScript by closing the script tag with . Attackers can craft a malicious URL with an error parameter containing script breakout...

CVE-2026-85577: Improper Neutralization of Input During Web Page Generation

AVideo through commit c91b5975d contains a reflected cross-site scripting vulnerability in userLogin.php that allows unauthenticated attackers to inject arbitrary JavaScript by closing the script tag with . Attackers can craft a malicious URL with an error parameter containing script breakout...

CVE-2025-71404

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

EUVD-2025-210583

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

CVE-2025-71404

Summary: CVE-2025-71404 affects better-auth versions after 0.0.2 and before 1.1.16. The vulnerability is a reflected XSS on the /api/auth/error page where the URL parameter error is echoed into HTML without proper neutralization, enabling arbitrary JavaScript when a user visits a crafted link. Im...

CVE-2025-71404

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

CVE-2025-71404 better-auth before 1.1.16 Reflected XSS via error parameter

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

CVE-2025-71404 better-auth before 1.1.16 Reflected XSS via error parameter

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

CVE-2025-71404 better-auth before 1.1.16 Reflected XSS via error parameter

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

CVE-2025-71404: Improper Neutralization of Input During Web Page Generation

better-auth versions after v0.0.2 and before 1.1.16 contain a reflected cross-site scripting XSS vulnerability on the /api/auth/error page, where the value of the 'error' URL parameter is reflected as HTML without proper neutralization. An attacker who coerces a user into visiting a...

Spotipy has a XSS vulnerability in its OAuth callback server

SummaryXSS vulnerability in OAuth callback server allows JavaScript injection through unsanitized error parameter. Attackers can execute arbitrary JavaScript in the user's browser during OAuth authentication. DetailsVulnerable Code: spotipy/oauth2.py lines 1238-1274 RequestHandler.doGETThe...

Cross-site Scripting (XSS)

Overview Affected versions of this package are vulnerable to Cross-site Scripting XSS via the OAuth callback controller process. An attacker can execute arbitrary JavaScript in authenticated users' browsers by crafting malicious OAuth callback URLs containing unsanitized error query parameters...

CVE-2026-57958 Mixpost 2.6.0 - Reflected XSS via OAuth Callback Error Parameter

Mixpost through 2.6.0 contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in authenticated users' browsers by crafting malicious OAuth callback URLs with unsanitized error query parameters. Attackers can exploit the OAuth...

OpenClaude MCP OAuth Callback: State Check Bypass via error Param Leads to DoS

OAuth State Validation Bypass via error Parameter Causes Local Server DoS in MCP Auth Callback --- Description The OpenClaude MCP authentication flow starts a temporary local HTTP server to handle OAuth callbacks. To prevent CSRF attacks, the server validates a state parameter against an internal...