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CVE-2026-96680— ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization

Quick assessment

Affected
ByteDance Coze Scraper Extension
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

在字节跳动（ByteDance）Coze 浏览器扩展插件（版本不超过 2.0.2）中发现了一个漏洞。受影响的组件是“外部消息处理器”（External Message Handler），具体涉及文件 中的 函数。 该漏洞源于对参数 、 、 、 和 的处理不当，导致缺乏必要的授权验证。攻击者可远程发起攻击，目前该漏洞的利用代码已公开，可能被恶意利用。 尽管厂商已提前收到该漏洞披露的通知，但至今未作任何回应。

CVSS 4.3 · Medium EPSS 0.26% · P16

Affected Version Matrix 3

VendorProduct Version RangeStatus
ByteDance Coze Scraper Extension 2.0.0 affected
2.0.1 affected
2.0.2 affected
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I. Basic Information for CVE-2026-96680

Vulnerability Information
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Vulnerability Title
ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization
Source: CVE Program / CVE List V5
Vulnerability 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.
Source: CVE Program / CVE List V5
CVSS Information
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Source: CVE Program / CVE List V5
Vulnerability Type
授权机制缺失
Source: CVE Program / CVE List V5

Affected Products

Vendor Product Affected Versions CPE Subscribe
ByteDance Coze Scraper Extension 2.0.0 cpe:2.3:a:bytedance:coze_scraper_extension:*:*:*:*:*:*:*:*

II. Public POCs for CVE-2026-96680

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III. Intelligence Information for CVE-2026-96680

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Proof of Concept for CVE-2026-96680 (1)

IV. Related Vulnerabilities

Same vendor: ByteDance
Same weakness: CWE-862

V. Comments for CVE-2026-96680

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