What is the CVSS score of CVE-2025-5403?

CVE-2025-5403 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 CVE-2025-5403?

Organizations using chaitak-gorai Blogbook should be aware of moderate risk from CVE-2025-5403, a injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2025-5403?

Yes, a public proof-of-concept exploit is available for CVE-2025-5403. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-5403?

Within 30 days: Identify affected systems running chaitak-gorai Blogbook and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

PHP CVE-2025-5403

EUVD-2025-28551 MEDIUM

Improper Neutralization of Special Elements in Output Used by a Downstream Component ('Injection') (CWE-74)

2025-06-01 cna@vuldb.com

PHP SQLi 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-2025-28551

Analysis Generated

Mar 14, 2026 - 16:42 vuln.today

PoC Detected

Nov 10, 2025 - 20:07 vuln.today

Public exploit code

CVE Published

Jun 01, 2025 - 16:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability classified as critical has been found in chaitak-gorai Blogbook up to 92f5cf90f8a7e6566b576fe0952e14e1c6736513. This affects an unknown part of the file /admin/view_all_posts.php of the component GET Parameter Handler. The manipulation of the argument post_id leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. This product does not use versioning. This is why information about affected and unaffected releases are unavailable. The vendor was contacted early about this disclosure but did not respond in any way.

Analysis

Technical ContextAI

SQL injection occurs when user-supplied input is incorporated into SQL queries without proper sanitization or parameterized queries.

RemediationAI

Use parameterized queries or prepared statements. Apply input validation and escape special characters. Implement least-privilege database accounts.

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CVE-2025-5403 vulnerability details – vuln.today

Back

PHP CVE-2025-5403

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

Technical ContextAI

RemediationAI

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External POC / Exploit Code