Which versions of PHP are affected by CVE-2026-0803?

Organizations using PHPGurukul Online Course Registration System should be aware of moderate risk from CVE-2026-0803, a injection vulnerability rated CVSS 6.3.

Is there a public PoC exploit available for CVE-2026-0803?

Yes, a public proof-of-concept exploit is available for CVE-2026-0803. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-0803?

Within 30 days: Identify affected systems running PHPGurukul Online Course Registration System and apply vendor patches as part of regular patch cycle. Validate input sanitization for user-controlled parameters.

PHP CVE-2026-0803

Q: What is the CVSS score of CVE-2026-0803?

CVE-2026-0803 has a CVSS 4.0 base score of 2.1 (Low). CVSS vector: 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/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%.

LOW

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

2026-01-09 cna@vuldb.com

PHP SQLi Online Course Registration System Phpgurukul

2.1

CVSS 4.0 · NVD

Severity by source

NVD PRIMARY

2.1 LOW

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/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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Lifecycle Timeline

Severity Changed

Apr 29, 2026 - 01:11 NVD

MEDIUM LOW

CVSS changed

Apr 29, 2026 - 01:11 NVD

6.3 (MEDIUM) 2.1 (LOW)

Analysis Generated

Mar 12, 2026 - 21:54 vuln.today

PoC Detected

Jan 22, 2026 - 16:00 vuln.today

Public exploit code

CVE Published

Jan 09, 2026 - 16:16 nvd

MEDIUM 6.3

DescriptionCVE.org

A vulnerability was found in PHPGurukul Online Course Registration System up to 3.1. This affects an unknown part of the file /enroll.php. The manipulation of the argument studentregno/Pincode/session/department/level/course/sem results in sql injection. The attack may be launched remotely. The exploit has been made public and could be used.

AnalysisAI

PHPGurukul Online Course Registration System through version 3.1 contains a SQL injection vulnerability in /enroll.php that allows authenticated attackers to manipulate multiple parameters (studentregno, Pincode, session, department, level, course, sem) to execute arbitrary database queries over the network. Public exploit code exists for this vulnerability, and no patch is currently available, creating risk for deployments handling course enrollment data.

Technical ContextAI

Affects Online Course Registration System. A vulnerability was found in PHPGurukul Online Course Registration System up to 3.1. This affects an unknown part of the file /enroll.php. The manipulation of the argument studentregno/Pincode/session/department/level/course/sem results in sql injection. The attack may be launched remotely. The exploit has been made public and could be used.

RemediationAI

Monitor vendor advisories for a patch. Use parameterized queries. Implement input validation. Restrict network access to the affected service where possible.