CVE-2025-29458

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2025-29458
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.

7.6 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 4.7

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact LOW

Availability Impact LOW

Scope UNCHANGED

References
Link Resource
https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addresses Mitigation Product
https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e Exploit Third Party Advisory
Configurations

Configuration 1 (hide)

cpe:2.3:a:mybb:mybb:1.8.38:*:*:*:*:*:*:*
History

24 Apr 2025, 14:14

Type Values Removed Values Added
First Time Mybb
Mybb mybb
CPE cpe:2.3:a:mybb:mybb:1.8.38:*:*:*:*:*:*:*
References () https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addresses - () https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addresses - Mitigation, Product
References () https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e - () https://www.yuque.com/morysummer/vx41bz/qu7zyyxr84qno64e - Exploit, Third Party Advisory

23 Apr 2025, 13:15

Type Values Removed Values Added
References
  • () https://docs.mybb.com/1.8/administration/security/protection/#limit-access-to-private-hosts-and-ip-addresses -
Summary
  • (es) Un problema en MyBB 1.8.38 permite que un atacante remoto obtenga información confidencial a través de la función Cambiar avatar.
Summary (en) An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Change Avatar function. (en) 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.

18 Apr 2025, 16:15

Type Values Removed Values Added
CWE CWE-918
CVSS v2 : unknown
v3 : unknown 		v2 : unknown
v3 : 7.6

17 Apr 2025, 22:15

Type Values Removed Values Added
New CVE
Information

Published : 2025-04-17 22:15

Updated : 2025-04-24 14:14

NVD link : CVE-2025-29458

Mitre link : CVE-2025-29458

CVE.ORG link : CVE-2025-29458

JSON object : View

Products Affected

mybb

  • mybb
CWE
CWE-918

Server-Side Request Forgery (SSRF)