TI-2026-63838 Aliases CVE-2026-96680 GHSA-8fch-9xj9-6929

ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization

MEDIUM 57CWE-862Published 2026-09-23 · Updated 2026-09-24

Key facts

Attack vector: Network
Privileges required: None
User interaction: Passive
Attack complexity: Low
Attack requirements: None
Impact type: Security bypass
Confidentiality · integrity · availability: Low · None · None
Fix status: No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00445 38th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
ByteDance	Coze Scraper Extension	2.0.0; 2.0.1; 2.0.2	—	No fix listed	CNA

Coze Scraper Extension VendorByteDance Affected 2.0.0; 2.0.1; 2.0.2 Fixed in — No fix listed CNA

CPE names CNA · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:bytedance:coze_scraper_extension::::::::	—	—	ByteDance

cpe:2.3:a:bytedance:coze_scraper_extension:*:*:*:*:*:*:*:* Versions — — ·ByteDance

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2026-96680
2026-10-03 Alias added: GHSA-8fch-9xj9-6929

References

Exploit 1

https://github.com/xryj920/chrome_extensions/blob/main/Coze%20Scraper%202.0.2%20Unrestricted%20External%20Message%20Handler%20Allows%20Website-Triggered%20Arbitrary%20URL%20Scraping

TI-2026-29265 ByteDance DeerFlow Path Traversal and Arbitrary File Write via Bootstrap Mode CVSS 4.0HIGH 7.1
TI-2026-06033 ByteDance verl grader.py math_equal sandbox CVSS 4.0MEDIUM 6.3
TI-2026-06147 ByteDance coze-studio databaseTool database_impl.go ExecuteSQL sql injection CVSS 4.0MEDIUM 5.3
TI-2026-09770 bytedance InfiniStore KV Map infinistore.h purge_kv_map algorithmic complexity CVSS 4.0MEDIUM 4.8
TI-2026-56382 Missing authentication in ByteDance UI-TARS-desktop CVSS 4.0CRITICAL 10.0
TI-2026-26705 ByteDance DeerFlow LocalSandboxProvider Host Bash Escape CVSS 4.0HIGH 8.6

See all 7 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences