CVE-2025-29459

HIGH
2025-04-17 [email protected]
7.6
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
Low
Availability
Low

Lifecycle Timeline

3
Analysis Generated
Mar 28, 2026 - 18:37 vuln.today
PoC Detected
Jun 27, 2025 - 15:45 vuln.today
Public exploit code
CVE Published
Apr 17, 2025 - 22:15 nvd
HIGH 7.6

Tags

SSRF Mybb

Description

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

Analysis

An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Mail function. Rated high severity (CVSS 7.6), this vulnerability is remotely exploitable, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Server-Side Request Forgery (SSRF) (CWE-918), which allows attackers to make the server perform requests to unintended internal or external resources. An issue in MyBB 1.8.38 allows a remote attacker to obtain sensitive information via the Mail function. NOTE: the Supplier disputes this because of the allowed actions of Board administrators and because of SSRF mitigation. Affected products include: Mybb.

Affected Products

Mybb.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate and allowlist destination URLs, block requests to internal networks, use network segmentation.

Priority Score

59
Low Medium High Critical
KEV: 0
EPSS: +0.7
CVSS: +38
POC: +20

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CVE-2025-29459 vulnerability details – vuln.today
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