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CloudClassroom PHP Project CVE-2026-97884

| EUVDEUVD-2026-87246 LOW
SQL Injection (CWE-89)
2026-09-25 VulDB GHSA-rm3g-xqgg-rww9
2.1
CVSS 4.0 · Vendor: VulDB
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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata – not a confirmed exploit chain

  1. Access
    Authenticate as low-privilege user
  2. Delivery
    Navigate to updatestudent.php
  3. Exploit
    Inject SQL payload via 'eno' argument
  4. Execution
    Backend executes malicious query
  5. Impact
    Read or modify student database records

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Parameterized queries, prepared statements
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Persistence

The technique list with ATT&CK links and the kill-chain view is part of the Basic plan and up.

Exploitation Conditions

Requires an authenticated session (CVSS PR:L) able to reach the Student Update functionality; the attacker sends a request to updatestudent.php with a malicious value in the 'eno' parameter, which is passed unsanitized into a SQL query. Limiting factors: a valid low-privilege login is needed (not fully unauthenticated), the target must be one of the few live deployments of this specific unversioned educational PHP project, and no user interaction is required. There is no official patch since the vendor did not respond, so mitigation depends on parameterizing the query manually or restricting access.

Impact

This is a classic high-volume, low-real-priority VulDB disclosure: a SQL injection (CWE-89) in an obscure, unversioned educational GitHub project (mathurvishal/CloudClassroom-PHP-Project). The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L) scores only 5.3 (Medium), and the E:P suffix in the vector plus the multi-source data confirm a proof-of-concept exploit is public (linked GitHub README), but there is NO CISA KEV listing and NO EPSS score supplied in the input. Exploitation status is therefore 'publicly available exploit code exists' - this must NOT be conflated with active exploitation. The PR:L metric means an authenticated session is required, which meaningfully limits blast radius, and the vendor-assigned impact is only Low across confidentiality/integrity/availability (VC:L/VI:L/VA:L), which understates typical SQLi (a real injection usually yields at least high confidentiality). The single most important mitigating signal is prevalence: this is a niche, non-productized teaching project with no enterprise footprint, so despite a public POC the real-world exposure is minimal. Net: treat as low operational priority; the public exploit only matters to the handful of live demo/learning deployments of this specific project.

Exploit ScenarioDerived

An authenticated user of a CloudClassroom-PHP deployment submits a crafted value in the 'eno' parameter to updatestudent.php, injecting SQL that the application concatenates directly into a query. Because a public POC already exists (linked GitHub README), an attacker can reproduce the injection to read or tamper with student records in the backend database. The attack is remote over the network but requires a valid low-privilege login (PR:L).

Monitor Track and reassess. Why: LOW severity (CVSS 0.1-3.9).
No patch listed yet 0.2% exploitation probability (EPSS)

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AnalysisAIv1 – Sep 25, 2026

SQL injection in the updatestudent.php script of mathurvishal's CloudClassroom-PHP-Project lets an authenticated attacker inject arbitrary SQL through the unsanitized 'eno' parameter, allowing them to read or manipulate student records in the underlying database. The product is an unversioned educational PHP project hosted on GitHub, so all commits up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be are presumed affected and no fixed release exists. Publicly available exploit code exists (referenced from a GitHub repository alongside the VulDB entry), the vendor was contacted but never responded, and no CISA KEV entry indicates confirmed active exploitation.

RemediationAI

No vendor-released patch identified at time of analysis: the maintainer was contacted early and did not respond, and the project is unversioned, so no fixed release number can be cited. Because the flaw is a direct SQL injection in updatestudent.php, the effective fix is to rewrite the query using parameterized prepared statements (PDO or mysqli with bound parameters) and to cast the 'eno' argument to an integer before use; this is a code change each deployment must apply themselves. As compensating controls with trade-offs: restrict access to updatestudent.php so that only trusted, authenticated administrative roles can reach it (reduces exposure but does not remove the injection for legitimate low-privilege users), and deploy a WAF rule that blocks SQL metacharacters in the 'eno' parameter (cheap to apply but easily bypassed via encoding and prone to false positives). Given the public exploit code at https://github.com/hofuman/CVE/blob/main/README.md, operators running this project should treat direct internet exposure of the Student Update endpoint as unacceptable until the query is parameterized.

Affected VersionsENISA

CloudClassroom-PHP-Project 5dadec098bfbbf3300d60c3494db3fb95b66e7be

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Checking this CVE against your own stacks and servers is part of the Basic plan and up.

Technical ContextAI · show details

The affected component is a PHP web application, CloudClassroom-PHP-Project, whose updatestudent.php endpoint handles student record updates. The 'eno' (enrollment number) argument is concatenated into a SQL query without sanitization, the classic CWE-89 improper neutralization of special elements used in SQL. The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:N) shows the attack is remotely reachable with no special preconditions or user interaction but requires a low-privilege authenticated session, and impact is confined to low confidentiality, integrity, and availability loss within the application's own security scope (SC:N/SI:N/SA:N). The CPE cpe:2.3:a:mathurvishal:cloudclassroom-php-project:*:*:*:*:*:*:*:* uses a wildcard version because the upstream project does not practice versioned releases, meaning patch-based version tracking is impossible and the vulnerable code should be identified by commit or file hash instead.

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  • Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulDB) PRIMARY 2.1 MEDIUM
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
vuln.today AI 6.3 MEDIUM

Remote injection needing a low-privilege login (PR:L), no user interaction; a single vulnerable parameter yields limited but real read/write to the database, so C/I/A each Low.

3.1 AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L
4.0 AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

Attack Vector
Network
Attack Complexity
Low
Attack Requirements
None
Privileges Required
Low
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

3
Severity Changed
Sep 25, 2026 - 18:22 NVD
MEDIUM LOW
CVSS changed
Sep 25, 2026 - 18:22 NVD
5.3 (MEDIUM) 2.1 (LOW)
CVE Published
Sep 25, 2026 - 17:30 cve.org
MEDIUM 5.3

DescriptionCVE.org

A vulnerability was detected in mathurvishal CloudClassroom-PHP-Project up to 5dadec098bfbbf3300d60c3494db3fb95b66e7be. This impacts an unknown function of the file updatestudent.php of the component Student Update Functionality. The manipulation of the argument eno results in sql injection. The attack can be launched remotely. The exploit is now 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.

Threat Intelligence Overview

EPSS Score
0.2%
Top 92% exploitable
Prevalence
Rare
unversioned hobby/educational PHP project on GitHub, no enterprise footprint
Exploit
POC
Public exploit code exists
Data Quality
7 sources
Confidence: High
EUVD NVD CVE.org EPSS Vulnrichment 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 LOW
CISA KEV No
Public POC Yes
EPSS 0.2%
Patch available No
Active threat No
Deciding rule
LOW severity (CVSS 0.1-3.9)
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.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation
Poc
System Exposure· derived
Open
Automatable
No
Human Impact· derived
Low
Technical Impact
Partial

Priority Score

30
Low Medium High Critical
KEV: 0
EPSS: 0
CVSS: +10
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

SQL injection exploits the way applications construct database queries by mixing user input directly into SQL statements.

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