CVE-2026-96680: ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization
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.
Affected Software
Event History
Frequently Asked Questions
What versions are known to be affected?
ByteDance Coze Scraper Extension versions up to and including 2.0.2 are identified as affected.
What access does an attacker need to exploit this issue?
The attack can be launched remotely and does not require prior privileges. Exploitation requires user interaction, according to the provided CVSS vector.
Which inputs are involved in the authorization flaw?
The affected external message handler processes body.url, paginationConfig, xPathConfig, body.urls, and xPaths without adequate authorization.
Is exploit code available?
Yes. The exploit is public and may be used by attackers.