Critical (9.8). EPSS 7.8% chance of exploitation in the next 30 days. Fixed in cordova-plugin-inappbrowser 3.1.0.
A website running in the InAppBrowser webview on Android could execute arbitrary JavaScript in the main application's webview using a specially crafted gap-iab: URI.
Severity
CVSS 3.1
9.8 critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS
7.8% chance of exploitation in the next 30 days; higher than 94% of CVEs (scores of 2026-10-31)