What is the CVSS score of EUVD-2025-16581?

EUVD-2025-16581 has a CVSS 3.1 base score of 6.3 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L. EPSS exploitation probability: 0.1%.

Which versions of PHP are affected by EUVD-2025-16581?

Organizations using chaitak-gorai Blogbook should be aware of moderate risk from CVE-2025-5406, a improper access control vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for EUVD-2025-16581?

Yes, a public proof-of-concept exploit is available for EUVD-2025-16581. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate EUVD-2025-16581?

Within 30 days: Identify affected systems running chaitak-gorai Blogbook and apply vendor patches as part of regular patch cycle. Monitor vendor channels for patch availability.

PHP EUVD-2025-16581

| CVE-2025-5406 MEDIUM

Improper Access Control (CWE-284)

2025-06-01 cna@vuldb.com

PHP Authentication Bypass File Upload Blogbook

6.3

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

6.3 MEDIUM

AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

Low

Lifecycle Timeline

EUVD ID Assigned

Mar 14, 2026 - 16:42 euvd

EUVD-2025-16581

Analysis Generated

Mar 14, 2026 - 16:42 vuln.today

PoC Detected

Nov 10, 2025 - 20:43 vuln.today

Public exploit code

CVE Published

Jun 01, 2025 - 19:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability, which was classified as critical, was found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513. Affected is an unknown function of the file /admin/posts.php?source=add_post. The manipulation of the argument image leads to unrestricted upload. It is possible to launch the attack remotely. The exploit has been disclosed to the public and may be used. Continious delivery with rolling releases is used by this product. Therefore, no version details of affected nor updated releases are available. The vendor was contacted early about this disclosure but did not respond in any way.

Analysis

Technical ContextAI

This vulnerability is classified as Improper Access Control (CWE-284).

RemediationAI

Monitor vendor advisories for patches. Apply mitigations such as network segmentation, access restrictions, and monitoring.

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EUVD-2025-16581 vulnerability details – vuln.today

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PHP EUVD-2025-16581

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code