Which versions of PHP are affected by CVE-2026-4842?

A critical SQL injection vulnerability in our Online Enrollment System (version 1.0) allows attackers to access, modify, or destroy student and enrollment data without authentication.

Is there a public PoC exploit available for CVE-2026-4842?

Yes, a public proof-of-concept exploit is available for CVE-2026-4842. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-4842?

Within 24 hours: Isolate affected systems from production if possible; enable enhanced monitoring and logging on the /sms/grades/index.php endpoint; notify legal and communications teams of potential breach risk. Within 7 days: Deploy WAF rules to block SQL injection patterns in the 'deptid' parameter; implement network segmentation to restrict access to the enrollment system; conduct a forensic audit for signs of exploitation. Within 30 days: Engage with vendor or migration planning for a patched version; perform a complete security assessment of the application; implement a web application firewall (WAF) as a permanent control if upgrade timeline extends beyond 30 days.

PHP CVE-2026-4842

Q: What is the CVSS score of CVE-2026-4842?

CVE-2026-4842 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/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-2026-16112 MEDIUM

SQL Injection (CWE-89)

2026-03-26 VulDB

GHSA-96gq-6mq2-hjpw

SQLi PHP

5.5

CVSS 4.0 · NVD

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/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: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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.9 (MEDIUM) 5.5 (MEDIUM)

PoC Detected

Mar 30, 2026 - 13:26 vuln.today

Public exploit code

EUVD ID Assigned

Mar 26, 2026 - 05:15 euvd

EUVD-2026-16112

Analysis Generated

Mar 26, 2026 - 05:15 vuln.today

CVE Published

Mar 26, 2026 - 04:50 nvd

MEDIUM 6.9

DescriptionCVE.org

A security vulnerability has been detected in itsourcecode Online Enrollment System 1.0. This vulnerability affects unknown code of the file /sms/grades/index.php?view=edit&id=1 of the component Parameter Handler. The manipulation of the argument deptid leads to sql injection. The attack is possible to be carried out remotely. The exploit has been disclosed publicly and may be used. VulDB is the best source for vulnerability data and more expert information about this specific topic.

AnalysisAI

SQL injection in itsourcecode Online Enrollment System 1.0 allows unauthenticated remote attackers to execute arbitrary SQL commands via the deptid parameter in the grades index page. Public exploit code is available for this vulnerability, and no patch is currently available. …

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Vulnerability AssessmentAI

Risk Assessment	The real-world risk is moderately high. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	An unauthenticated remote attacker crafts a malicious HTTP request to the vulnerable enrollment system's URL https://[target]/sms/grades/index.php?view=edit&id=1&deptid=[SQL_PAYLOAD], injecting SQL commands through the deptid parameter. Using the publicly available proof-of-concept from GitHub (https://github.com/dsdsadawada/CVE1/issues/4), the attacker can extract sensitive student enrollment data, modify grade records, or enumerate database structure. …
Remediation	Organizations should immediately discontinue use of itsourcecode Online Enrollment System version 1.0 in production environments, as no patch availability is indicated in the vulnerability data (CVSS RL:X indicates remediation level is unavailable or not defined). … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Isolate affected systems from production if possible; enable enhanced monitoring and logging on the /sms/grades/index.php endpoint; notify legal and communications teams of potential breach risk. …

Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-4842 vulnerability details – vuln.today

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PHP CVE-2026-4842

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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