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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
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.
- Record
CVE-2026-96680- CVSS 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 - CVSS 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 - CVSS 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 - CVSS 2.0
- 5.0
AV:N/AC:L/Au:N/C:P/I:N/A:N/E:POC/RL:ND/RC:UR - Weakness
- CWE-862, CWE-863
- Updated
- 2026-11-02
EUVDEUVD-2026-85729
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.
- Record
EUVD-2026-85729- CVSS 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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-8fch-9xj9-6929
A vulnerability was detected in ByteDance Coze Scraper Extension up to 2.0.2. Affected by this...
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.
- Record
GHSA-8fch-9xj9-6929- CVSS 4.0
- 2.1 Low
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - Weakness
- CWE-862
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2026-96680- CVSS 4.0
- 2.1 Low
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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X - CVSS 3.1
- 4.3 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-862, CWE-863
- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2026-96680 is a medium vulnerability (CVSS 5.3) in Bytedance Coze Scraper Extension, published September 23, 2026. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.45%, the 38th percentile. No source names a fixed version.
References
vuldb.com/vuln/409003
github.com/xryj920/chrome_extensions/blob/main/Coze%20Scraper%202.0.2%20Unrestricted%20External%20Message%20Handler%20Allows%20Website-Triggered%20Arbitrary%20URL%20Scraping
nvd.nist.gov/vuln/detail/CVE-2026-96680