Information Exposure in atjiu pybbs Email Handler Component
CVE-2025-8548

6.3MEDIUM

Key Information:

Vendor

Atjiu

Status
Pybbs
Vendor
CVE Published:
5 August 2025

Badges

👾 Exploit Exists🟡 Public PoC

What is CVE-2025-8548?

A security flaw has been identified in the atjiu pybbs platform, specifically within the Registered Email Handler component. This vulnerability arises from inadequate validation of the email argument in the sendEmailCode function located in the SettingsApiController.java file. Successful exploitation allows an attacker to gain sensitive information through error messages, potentially leading to target enumeration. Although this exploit is not trivial to carry out, the public disclosure of the vulnerability means that users must apply the recommended patch (commit identifier 234197c4f8fc7ce24bdcff5430cd42492f28936a) to safeguard their systems.

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Affected Version(s)

pybbs 6.0

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-2025-8548 - Proof of Concept

References

https://vuldb.com/?id.318677
vdb-entrytechnical-description
https://vuldb.com/?ctiid.318677
signaturepermissions-required
https://vuldb.com/?submit.622186
third-party-advisory

CVSS V4

Score:
6.3
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
High
Attack Required:
None
Privileges Required:
Undefined
User Interaction:
None

Timeline

  • 🟡

    Public PoC available

  • 👾

    Exploit known to exist

  • Vulnerability published

  • Vulnerability Reserved

Credit

ZAST.AI (VulDB User)
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