Which versions of PHP are affected by EUVD-2026-20819?

Simple IT Discussion Forum 1.0 contains an unauthenticated SQL injection vulnerability that allows remote attackers to access, extract, and modify database contents without credentials.

Is there a public PoC exploit available for EUVD-2026-20819?

Yes, a public proof-of-concept exploit is available for EUVD-2026-20819. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate EUVD-2026-20819?

Within 24 hours: Identify all instances of Simple IT Discussion Forum 1.0 in production and development environments; take affected systems offline or restrict network access pending remediation. Within 7 days: Contact the vendor for patch availability and timeline; if no patch emerges, implement a Web Application Firewall (WAF) rule to block requests containing SQL injection patterns to the /question-function.php 'content' parameter and disable the vulnerable endpoint if operationally feasible. Within 30 days: Migrate to a patched version or alternative forum software; conduct full database audit for unauthorized modifications and data exfiltration indicators.

PHP EUVD-2026-20819

Q: What is the CVSS score of EUVD-2026-20819?

EUVD-2026-20819 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%.

| CVE-2026-5827 MEDIUM

SQL Injection (CWE-89)

2026-04-09 VulDB

PHP SQLi

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

Apr 09, 2026 - 01:16 vuln.today

Public exploit code

EUVD ID Assigned

Apr 09, 2026 - 01:00 euvd

EUVD-2026-20819

Analysis Generated

Apr 09, 2026 - 01:00 vuln.today

CVE Published

Apr 09, 2026 - 00:45 nvd

MEDIUM 6.9

DescriptionCVE.org

A vulnerability has been found in code-projects Simple IT Discussion Forum 1.0. Impacted is an unknown function of the file /question-function.php. The manipulation of the argument content leads to sql injection. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used.

AnalysisAI

SQL injection in Simple IT Discussion Forum 1.0 allows unauthenticated remote attackers to execute arbitrary SQL commands via the 'content' parameter in /question-function.php, enabling unauthorized database access, data exfiltration, and potential manipulation of stored records. Publicly available exploit code exists. …

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Risk assessment & exploitation conditions
Attack chain visualization
Remediation with exact patch versions
Threat intelligence from 22 sources
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Vulnerability AssessmentAI

Risk Assessment	Network-accessible unauthenticated SQL injection in a web forum application with publicly available exploit code creates immediate risk for data exfiltration and potential database manipulation. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario	Attacker crafts malicious SQL payload in the 'content' parameter of /question-function.php HTTP request. Server executes injected SQL query directly against database without sanitization, allowing extraction of user credentials, forum content, or database alteration. …
Remediation	No vendor-released patch identified at time of analysis. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Identify all instances of Simple IT Discussion Forum 1.0 in production and development environments; take affected systems offline or restrict network access pending remediation. …

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

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EUVD-2026-20819 vulnerability details – vuln.today

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PHP EUVD-2026-20819

Severity by source

CVSS VectorNVD

Lifecycle Timeline

DescriptionCVE.org

AnalysisAI

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Vulnerability AssessmentAI

Recommended ActionAI

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External POC / Exploit Code