Which versions of PHP are affected by CVE-2025-6340?

CVE-2025-6340 is a low-severity vulnerability in A vulnerability classified as problematic involving cross-site scripting (CVSS 3.5).

Is there a public PoC exploit available for CVE-2025-6340?

Yes, a public proof-of-concept exploit is available for CVE-2025-6340. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2025-6340?

During next maintenance window: Apply vendor patches when convenient. Verify cross-site scripting controls are in place.

PHP CVE-2025-6340

Q: What is the CVSS score of CVE-2025-6340?

CVE-2025-6340 has a CVSS 4.0 base score of 2.0 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/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: 0.0%.

EUVD-2025-18740 LOW

Cross-site Scripting (XSS) (CWE-79)

2025-06-20 cna@vuldb.com

PHP XSS

2.0

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.0 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/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

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

3.5 (LOW) 2.0 (LOW)

EUVD ID Assigned

Mar 15, 2026 - 00:19 euvd

EUVD-2025-18740

Analysis Generated

Mar 15, 2026 - 00:19 vuln.today

PoC Detected

Jun 26, 2025 - 18:16 vuln.today

Public exploit code

CVE Published

Jun 20, 2025 - 13:15 nvd

LOW 3.5

DescriptionCVE.org

A vulnerability classified as problematic has been found in code-projects School Fees Payment System 1.0. This affects an unknown part of the file /branch.php. The manipulation of the argument Branch/Address/Detail leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

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CVE-2025-6340 vulnerability details – vuln.today

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PHP CVE-2025-6340

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

Analysis

More from same product – last 7 days

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External POC / Exploit Code