Arbitrary External URL Loading Vulnerability in OPPO Products
CVE-2025-27388

8.3HIGH

Key Information:

Vendor

Oppo

Status
Oppo Health App
Vendor
CVE Published:
14 August 2025

What is CVE-2025-27388?

A vulnerability has been identified in OPPO mobile devices that permits loading arbitrary external URLs via WebView components. This security flaw can be exploited to inject malicious JavaScript code, potentially compromising user security by stealing sensitive tokens. Users of affected OPPO devices may be at risk, as this flaw can facilitate unauthorized access to user information and other critical data.

Affected Version(s)

OPPO HEALTH APP 4.23.4 and below <= 4.23.4

References

https://security.oppo.com/en/noticeDetail?notice_only_key...

CVSS V4

Score:
8.3
Severity:
HIGH
Confidentiality:
High
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
Unknown

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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CVE-2025-27388 : Arbitrary External URL Loading Vulnerability in OPPO Products