Remote Information Disclosure in MyBB by MyBB Group
CVE-2025-29458

7.6HIGH

Key Information:

Vendor

MyBB Group

Status
MyBB
Vendor
CVE Published:
17 April 2025

What is CVE-2025-29458?

MyBB version 1.8.38 contains a vulnerability in the Change Avatar functionality, where a remote attacker can exploit this flaw to gain unauthorized access to sensitive user information. This issue elevates the risk profile for users, making it crucial for administrators to patch and secure their MyBB installations immediately.

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References

https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e
https://docs.mybb.com/1.8/administration/security/protect...

CVSS V3.1

Score:
7.6
Severity:
HIGH
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

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