Vulnerability · Published Aug 14, 2025 · Assigned by OPPO

CVE-2025-27388Arbitrary URL Loading in WebView Leading to Token Leakage Risk

High 8.3

In plain English

A high-severity improper input validation in OPPO HEALTH APP from OPPO. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 37% of all known vulnerabilities).

Severity (CVSS 4.0)8.3High
Exploit odds (30 days)0.4%top 62.8% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Loading arbitrary external URLs through WebView components introduces malicious JS code that can steal arbitrary user tokens.

Affected products (as reported)

VendorProductVersions
OPPO OPPO HEALTH APP 4.23.4 and below – through 4.23.4

Weakness: CWE-20 · Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:H/VI:N/VA:N/SC:H/SI:L/SA:N

References