What is the CVSS score of EUVD-2025-20327?

EUVD-2025-20327 has a CVSS 4.0 base score of 5.5 (Medium). CVSS vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P. EPSS exploitation probability: 0.1%.

Is there a public PoC exploit available for EUVD-2025-20327?

Yes, a public proof-of-concept exploit is available for EUVD-2025-20327. Prioritise patching immediately. EPSS: 0.1%.

Online Notes Sharing System EUVD-2025-20327

| CVE-2025-7155 MEDIUM

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

2025-07-08 cna@vuldb.com

SQLi Online Notes Sharing System Phpgurukul

5.5

CVSS 4.0 · NVD

View

Vulnerability Assessment

Weakness

CWE

CWE-74

OWASP Top 10:2025

A05:2025 - Injection

ASVS 5.0

V1 - Encoding and Sanitization Input neutralization, injection prevention

This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).

No patch listed yet 0.1% exploitation probability (EPSS)

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AnalysisAIv1 – Jul 27, 2026

SQL injection in PHPGurukul Online Notes Sharing System 1.0 allows remote attackers to execute arbitrary SQL commands via the sessionid cookie when accessing the /Dashboard endpoint. A publicly available proof-of-concept exploit exists, but no active exploitation has been confirmed by CISA KEV at this time. The vulnerability's impact is limited to low-confidentiality, low-integrity, and low-availability compromise of the database.

Affected VersionsENISA

Online Notes Sharing System 1.0

Affected Packages

euvd online_notes_sharing_system no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

NVD PRIMARY 5.5 MEDIUM

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector

Network

Attack Complexity

Low

Attack Requirements

None

Privileges Required

None

User Interaction

None

Vulnerable system: Confidentiality

Low

Vulnerable system: Integrity

Low

Vulnerable system: Availability

Low

Subsequent system: Confidentiality

None

Subsequent system: Integrity

None

Subsequent system: Availability

None

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

HIGH MEDIUM

CVSS changed

Apr 29, 2026 - 01:11 NVD

7.3 (HIGH) 5.5 (MEDIUM)

PoC Detected

Jul 09, 2025 - 13:52 vuln.today

Public exploit code

CVE Published

Jul 08, 2025 - 01:15 cve.org

MEDIUM 5.5

CVE Published

Jul 08, 2025 - 01:15 nvd

HIGH 7.3

DescriptionCVE.org

A vulnerability, which was classified as critical, was found in PHPGurukul Online Notes Sharing System 1.0. This affects an unknown part of the file /Dashboard of the component Cookie Handler. The manipulation of the argument sessionid leads to sql injection. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The original researcher disclosure suspects an XPath Injection vulnerability; however, the provided attack payload appears to be characteristic of an SQL Injection attack.

Threat Intelligence Overview

EPSS Score

0.1%

Top 82% exploitable

Exploit

POC

Public exploit code exists

Data Quality

6 sources

Confidence: High

EUVD

NVD

CVE.org

EPSS

GitHub

VulDB

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue

Severity MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.1%

Patch available No

Active threat No

Deciding rule

MEDIUM severity (CVSS 4.0-6.9)

What every action level means

Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.

Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.

This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.

This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.

Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.