Improper Export Vulnerability in Lobby Universe Lobby App for Android
CVE-2025-8257

4.8MEDIUM

Key Information:

Vendor

Lobby Universe

Status
Lobby App
Vendor
CVE Published:
28 July 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8257?

A problematic vulnerability has been identified in the Lobby Universe Lobby App for Android up to version 2.8.0. The issue arises from an unknown functionality within the AndroidManifest.xml file of the component com.maverick.lobby, which leads to the improper export of application components. This flaw allows local attackers to potentially exploit the application's functionality. The details of this vulnerability have been publicly disclosed, making it crucial for users to patch their devices and limit exposure.

Affected Version(s)

Lobby App 2.0

Lobby App 2.1

Lobby App 2.2

Exploit Proof of Concept (PoC)

PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.

CVE-2025-8257 - Proof of Concept

References

https://vuldb.com/?id.317845
vdb-entry
https://vuldb.com/?ctiid.317845
signaturepermissions-required
https://vuldb.com/?submit.623471
third-party-advisory

CVSS V4

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Local
Attack Complexity:
Low
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

fxizenta (VulDB User)
.
CVE-2025-8257 : Improper Export Vulnerability in Lobby Universe Lobby App for Android