Which versions of PHP are affected by CVE-2025-9439?

Organizations using A weakness should be aware of moderate risk from CVE-2025-9439, a cross-site scripting vulnerability rated CVSS 5.3.

Is there a public PoC exploit available for CVE-2025-9439?

Yes, a public proof-of-concept exploit is available for CVE-2025-9439. Prioritise patching immediately. EPSS: 0.1%.

How to fix or mitigate CVE-2025-9439?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

PHP CVE-2025-9439

Q: What is the CVSS score of CVE-2025-9439?

CVE-2025-9439 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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: 0.1%.

LOW

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

2025-08-26 cna@vuldb.com

PHP XSS

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/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:N/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

None

User Interaction

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

5.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 28, 2026 - 19:08 vuln.today

PoC Detected

Sep 02, 2025 - 18:14 vuln.today

Public exploit code

CVE Published

Aug 26, 2025 - 02:15 nvd

MEDIUM 5.3

DescriptionCVE.org

A weakness has been identified in 1000projects Online Project Report Submission and Evaluation System 1.0. Affected by this vulnerability is an unknown functionality of the file /rse/admin/edit_faculty.php?id=2. This manipulation of the argument Name causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited.

AnalysisAI

A weakness has been identified in 1000projects Online Project Report Submission and Evaluation System 1.0. Rated medium severity (CVSS 5.3), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. A weakness has been identified in 1000projects Online Project Report Submission and Evaluation System 1.0. Affected by this vulnerability is an unknown functionality of the file /rse/admin/edit_faculty.php?id=2. This manipulation of the argument Name causes cross site scripting. The attack is possible to be carried out remotely. The exploit has been made available to the public and could be exploited. Affected products include: 1000Projects Online Student Project Report Submission And Evaluation System.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.

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CVE-2025-9439 vulnerability details – vuln.today

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PHP CVE-2025-9439

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

Technical ContextAI

RemediationAI

More from same product – last 7 days

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External POC / Exploit Code