ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization (CVE-2026-96680) | HOL Guard CVE

Medium · CVSS 5.3CVE-2026-96680

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

Answer in brief

CVE-2026-96680 records a Medium severity (CVSS 5.3) vulnerability in ByteDance Coze Scraper Extension External Message index.js chrome.runtime.onMessageExternal.addListener authorization. The current sources do not mark it as known exploited. The current feed maps ByteDance/Coze Scraper Extension (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Sep 23, 2026Updated Sep 23, 2026Source checked Sep 24, 2026First seen by HOL Sep 23, 2026Material review Sep 23, 2026

Upstream Advisory

Key facts

Risk: Medium · CVSS 5.3
Exploitation: Not marked as known exploited
Affected software: 1 mapped package or product
Fix availability: Not reported

Why this deserves its current priority

CVSS is 5.3. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps ByteDance/Coze Scraper Extension (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
Package	Affected range	Fixed version
ByteDance/Coze Scraper Extensiongeneric	2.0.0 \|\| 2.0.1 \|\| 2.0.2	Not reported

Recommended response

Check inventory. Check lockfiles and deployed manifests for ByteDance/Coze Scraper Extension.
Review the reported fix. Monitor this advisory for an available fix and review any installs of the affected package.

Evidence timeline and material changes

Published upstream
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
Source modified
Sep 23, 2026
Evidence: source:cvelist:source_dates:source-dates:record
First seen by HOL
Sep 23, 2026

Sources and claim methodology

Upstream source 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.

Quoted source text, attributed separately from HOL analysis.