Vulnerability in cordova-plugin-inappbrowser (CVE-2026-47430)
Summary
Vulnerability in cordova-plugin-inappbrowser (CVE-2026-47430). Data can be tampered with by attackers. Exploitable via WKScriptMessage. Mitigation: upgrade to 6.0.1 or later.
Original description
The description as published by the source.
Summary
The iOS implementation of cordova-plugin-inappbrowser passes the id field from a WKScriptMessage body to commandDelegate sendPluginResult:callbackId: with no format validation (CDVWKInAppBrowser.m:560–574). Any web content loaded inside the InAppBrowser can fire any pending Cordova callback in the host app by posting a message whose id field is a guessable or enumerated callback identifier. An attack abusing this weakness must be tailored to the specific plugins and callback IDs the host app uses. Though an attacker with knowledge of common Cordova plugin configurations could craft reusable payloads targeting widely-adopted plugins.
Impact
An unauthenticated remote attacker who controls content displayed in the InAppBrowser — via a URL the app opens (OAuth redirect, marketing link, deep-link target) or a network interception — can call window.webkit.messageHandlers.cordova_iab.postMessage({id: '', d: '...'}) to fire callbacks belonging to any other installed Cordova plugin (Camera, Contacts, File, Geolocation). Cordova callback IDs follow the predictable format ``, making enumeration feasible. Successful exploitation allows the attacker to spoof plugin results across trust boundaries — for example, injecting a forged camera approval, a fabricated contacts list, or a crafted file-read response.
This issue affects Cordova Plugin InAppBrowser: from 3.1.0 through 6.0.0.
Users are recommended to upgrade to version 6.0.1, which fixes the issue.
Source: GitHub Security Advisories (Global) NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2026-47430 has been found in cordova-plugin-inappbrowser.
Attackers can target a specific entry point like WKScriptMessage over the network to misuse the product.
Data can be tampered with by attackers. CVSS score: 7.5/10.
What to do: upgrade cordova-plugin-inappbrowser to 6.0.1 or later.
If unsure, ask your IT team or search "cordova-plugin-inappbrowser CVE-2026-47430" on the vendor's site.
CVE-2026-47430 (cordova-plugin-inappbrowser) — CWE-20 / CVSS v3 7.5
Attack vector: remote (network-reachable) / unauthenticated / no user interaction
Attack surface: WKScriptMessage
Patched: 6.0.1 — apply immediately
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
A vulnerability (CWE-20) exists in cordova-plugin-inappbrowser. Attackers reach the vulnerable code path via WKScriptMessage without authentication.
Check the vendor advisory for the affected versions of cordova-plugin-inappbrowser. Attack surface: WKScriptMessage.
Severity: High (CVSS 7.5/10). Data can be tampered with by attackers.
Update to 6.0.1.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'cordova-plugin-inappbrowser' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
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1Identify exposure identify
grep -r 'cordova-plugin-inappbrowser' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
cordova-plugin-inappbrowserを grep し、稼働しているサービス・バージョンを把握する。 -
2Apply patch patch
Upgrade cordova-plugin-inappbrowser to 6.0.1ステージング環境で 6.0.1 に上げて回帰テスト → 本番反映。回帰テストはアプリの主要ハッピーパスを含めること。
-
3Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
Affected packages
References
- advisory nvd.nist.gov
- advisory openwall.com
- package github.com
- patch security@apache.org
- web github.com