What’s Vulnerable › Vulnerabilities

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

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-23 · updated 2026-09-24
• Weakness: CWE-862

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.

Affected products

• ByteDance Coze Scraper Extension: 2.0.0, 2.0.1, 2.0.2

References

• https://github.com/xryj920/chrome_extensions/blob/main/Coze%20Scraper%202.0.2%20Unrestricted%20External%20Message%20Handler%20Allows%20Website-Triggered%20Arbitrary%20URL%20Scraping
• https://vuldb.com/cve/CVE-2026-96680
• https://vuldb.com/submit/904123
• https://vuldb.com/vuln/409003
• https://vuldb.com/vuln/409003/cti

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