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CVE-2025-29458

Date: April 16, 2025

An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Change Avatar function. NOTE: the Supplier disputes this because of the allowed actions of Board administrators and because of SSRF mitigation.

Severity Score

Related Resources (4)

https://nvd.nist.gov/vuln/detail/CVE-2025-29458
https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e
https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addresses
https://www.mend.io/vulnerability-database/CVE-2025-29458

Severity Score

Weakness Type (CWE)

Server-Side Request Forgery (SSRF)

CWE-918

CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): HIGH
Integrity (I): LOW
Availability (A): LOW

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