CVE-2026-96680

Received Received - Intake

Remote Code Execution in ByteDance Coze Scraper Extension

Publication date: 2026-09-23

Last updated on: 2026-09-23

Assigner: VulDB

Description

A vulnerability was detected in ByteDance Coze Scraper Extension up to 2.0.2. Affected by this vulnerability is the function chrome.runtime.onMessageExternal.addListener of the file static/background/index.js of the component External Message Handler. The manipulation of the argument body.url/paginationConfig/xPathConfig/body.urls/xPaths results in missing authorization. The attack can be launched remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

CVSS Scores

EPSS Scores

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Meta Information

Published

2026-09-23

Last Modified

2026-09-23

Generated

2026-09-24

AI Q&A

2026-09-24

EPSS Evaluated

N/A

NVD

CVE-2026-96680

Affected Vendors & Products

Vendor	Product	Version / Range
bytedance	coze_scraper_extension	to 2.0.2 (inc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-862	The product does not perform an authorization check when an actor attempts to access a resource or perform an action.
CWE-863	The product performs an authorization check when an actor attempts to access a resource or perform an action, but it does not correctly perform the check.

Attack-Flow Graph

Executive Summary

This vulnerability affects the ByteDance Coze Scraper Extension up to version 2.0.2. It involves a missing authorization check in the function chrome.runtime.onMessageExternal.addListener within the file static/background/index.js. The issue allows manipulation of arguments like body.url or paginationConfig, potentially leading to unauthorized actions.

Detection Guidance

This vulnerability involves missing authorization in the ByteDance Coze Scraper Extension due to improper handling of external messages. Detection requires checking for the presence of the vulnerable extension and analyzing network traffic for unauthorized external message interactions.

Impact Analysis

The vulnerability can be exploited remotely without authentication. An attacker could manipulate external message handlers to perform unauthorized actions, potentially accessing sensitive data or modifying extension behavior. The public exploit increases the risk of real-world attacks.

Compliance Impact

The vulnerability involves missing authorization in the ByteDance Coze Scraper Extension, allowing remote attacks. This could potentially lead to unauthorized data access or exfiltration, which may violate GDPR's data protection requirements or HIPAA's safeguards for sensitive health information if exploited.

Mitigation Strategies

Immediately uninstall or disable the ByteDance Coze Scraper Extension version 2.0.2 or earlier. Monitor network traffic for external message handling attempts to static/background/index.js. Ensure no unauthorized access to chrome.runtime.onMessageExternal.addListener functions.

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