CVE-2026-96680
ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 23, 2026
- Updated
- Sep 24, 2026
- Reserved
- Sep 23, 2026
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.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 5.3 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 4.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 3.0 | 4.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N/E:P/RL:X/RC:R | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR | VulDB |
Weaknesses
Affected Products
| Product | Versions |
|---|---|
Coze Scraper ExtensionByteDance |
|
References
- VDB-409003 | ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorizationvdb-entrytechnical-description
- VDB-409003 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-96680 | CVE Analysis and Reportthird-party-advisory
- Submit #904123 | ByteDance Coze Scraper Chrome extension 2.0.2 Information Disclosurethird-party-advisory
- https://github.com/xryj920/chrome_extensions/blob/main/Coze%20Scraper%202.0.2%20Unrestricted%20External%20Message%20Handler%20Allows%20Website-Triggered%20Arbitrary%20URL%20Scrapingexploit
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