Which versions of PHP are affected by CVE-2025-6900?

Organizations using A vulnerability should be aware of moderate risk from CVE-2025-6900, a improper access control vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2025-6900?

Yes, a public proof-of-concept exploit is available for CVE-2025-6900. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-6900?

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

PHP CVE-2025-6900

Q: What is the CVSS score of CVE-2025-6900?

CVE-2025-6900 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X. EPSS exploitation probability: 0.1%.

EUVD-2025-19520 LOW

Improper Access Control (CWE-284)

2025-06-30 cna@vuldb.com

PHP Authentication Bypass File Upload Library System Code Projects

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

EUVD ID Assigned

Mar 16, 2026 - 01:25 euvd

EUVD-2025-19520

Analysis Generated

Mar 16, 2026 - 01:25 vuln.today

PoC Detected

Jul 01, 2025 - 16:21 vuln.today

Public exploit code

CVE Published

Jun 30, 2025 - 09:15 cve.org

LOW 2.1

CVE Published

Jun 30, 2025 - 09:15 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability has been found in code-projects Library System 1.0 and classified as critical. This vulnerability affects unknown code of the file /add-book.php. The manipulation of the argument image leads to unrestricted upload. The attack can be initiated remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

Unrestricted file upload in code-projects Library System 1.0 allows authenticated remote attackers with low privileges to upload arbitrary files via the image parameter in /add-book.php. A publicly available proof-of-concept exploit exists, potentially enabling remote code execution through webshell upload. EPSS score is low (0.09%), indicating low threat activity despite the ease of exploitation.