What is the CVSS score of CVE-2026-10251?

CVE-2026-10251 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: 0.0%.

Is there a public PoC exploit available for CVE-2026-10251?

Yes, a public proof-of-concept exploit is available for CVE-2026-10251. Prioritise patching immediately. EPSS: 0.0%.

How to fix or mitigate CVE-2026-10251?

Within 24 hours: Confirm whether the system is internet-accessible and catalog all sensitive customer data it stores or processes. Within 7 days: Deploy a Web Application Firewall to block SQL injection attempts on the login parameter; implement network access controls to restrict system access to authorized users only; and review database logs for exploitation attempts. Within 30 days: Develop and execute a plan to replace this system with a supported alternative or procure vendor security updates.

Online House Rental System CVE-2026-10251

EUVD-2026-33626 MEDIUM

SQL Injection (CWE-89)

2026-06-01 VulDB

GHSA-x45x-jwqm-6m6q

PHP SQLi Online House Rental System Itsourcecode

5.5

CVSS 4.0 · Vendor: VulDB

View

Attack ChainAIDerived

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

Access

Identify exposed Online House Rental System
Delivery

Send crafted POST to /ajax.php?action=login
Exploit

Inject SQL via Username parameter
Execution

Bypass authentication or extract database contents
Impact

Harvest credentials and tenant data

Vulnerability Assessment

Weakness	CWE CWE-89 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. Sign in to read
Exploitation Conditions	Exploitation requires only network reachability to a deployed itsourcecode Online House Rental System 1.0 instance with the /ajax.php endpoint exposed (the application's default routing); per CVSS AV:N/AC:L/PR:N/UI:N no authentication, user interaction, or non-default configuration is needed beyond running the shipped login workflow. Realistic exploitation is limited mainly by the software's small install base (a tutorial/sample PHP project rather than enterprise software) and by any front-end WAF or network ACL restricting access to /ajax.php?action=login.
Impact	The CVSS 3.1 vector AV:N/AC:L/PR:N/UI:N indicates remote, low-complexity, unauthenticated exploitation against an exposed login endpoint, supporting the 7.3 base score with partial CIA impact (C:L/I:L/A:L). Temporal metrics E:P (Proof-of-Concept) and RC:R (Reasonable confidence) align with the VulDB report and GitHub-hosted exploit. The CVE is not in CISA KEV and no EPSS score is provided in the input, so widespread automated exploitation cannot be confirmed; however, the combination of public PoC, no authentication requirement, and a trivially abusable login parameter makes opportunistic exploitation realistic against any exposed instance. Real-world risk is constrained primarily by the niche, low-deployment nature of itsourcecode tutorial software rather than by exploitation difficulty.
Exploit ScenarioDerived	An unauthenticated attacker locates an internet-exposed Online House Rental System instance, then submits a crafted POST request to /ajax.php?action=login with a Username payload such as admin' OR '1'='1'-- to bypass authentication or extract data via UNION/error-based techniques. Because a public PoC is published on GitHub (zhengdexu-bot/zhengdexu issues/3), attackers can copy-paste working requests, enumerate users, dump credentials, or pivot to administrative functions with minimal skill.

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

No patch listed yet 0.0% exploitation probability (EPSS)

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AnalysisAIv1 – Jun 01, 2026

SQL injection in itsourcecode Online House Rental System 1.0 allows remote unauthenticated attackers to manipulate the Username parameter of the /ajax.php?action=login endpoint to inject arbitrary SQL. Publicly available exploit code exists (VulDB-referenced PoC on GitHub), increasing the practical risk despite the application's limited deployment footprint. No CISA KEV listing is present, so this represents publicly available exploit code without confirmed active exploitation.

RemediationAI

No vendor-released patch identified at time of analysis; the VulDB entry (https://vuldb.com/vuln/367529) and exploit reference (https://github.com/zhengdexu-bot/zhengdexu/issues/3) do not cite a fixed version from itsourcecode. Operators should immediately patch the /ajax.php?action=login handler to use parameterized queries (PDO prepared statements or mysqli_prepare with bound parameters) for the Username and Password inputs, validate/whitelist input characters, and add server-side rate limiting on login attempts. As compensating controls until source-level fixes are applied: place the application behind a WAF with SQLi signature enforcement on /ajax.php (trade-off: may break legitimate username characters such as apostrophes); restrict /ajax.php?action=login to internal networks via reverse-proxy ACLs (trade-off: blocks legitimate remote tenants); and run the backing MySQL account with least privilege so successful injection cannot read/write outside the application schema.

Affected VersionsENISA

Online House Rental System 1.0

Affected Packages

euvd online_house_rental_system no fix

Source: OSV (Open Source Vulnerabilities)

Affects your stack

Affects 1 package in euvd

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

Technical ContextAI · show details

The affected software is a PHP-based web application (itsourcecode Online House Rental System) distributed as open-source sample/educational code via itsourcecode.com. The root cause is CWE-89 (Improper Neutralization of Special Elements used in an SQL Command), specifically in the login AJAX handler at /ajax.php?action=login, where the Username POST parameter is concatenated into a SQL query without parameterization or escaping. CPE cpe:2.3:a:itsourcecode:online_house_rental_system identifies the precise product, and the PHP/SQLi tags confirm a classic injection pattern typical of unhardened PHP/MySQL learning-project codebases.

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Exploit and PoC references, threat intelligence from 22 sources

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Severity by source

Vendor (VulDB) 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 Vendor (VulDB) · only source for this CVE.

CVSS VectorVendor: VulDB

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

Jun 01, 2026 - 13:22 NVD

HIGH MEDIUM

CVSS changed

Jun 01, 2026 - 13:22 NVD

7.3 (HIGH) 5.5 (MEDIUM)

DescriptionCVE.org

A weakness has been identified in itsourcecode Online House Rental System 1.0. The impacted element is an unknown function of the file /ajax.php?action=login. Executing a manipulation of the argument Username can lead to sql injection. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks.

Executive ViewAI

Why It Matters

itsourcecode Online House Rental System 1.0 contains an unauthenticated SQL injection vulnerability in the login endpoint that allows attackers to directly manipulate the backend database without requiring user credentials. Organizations using this application face immediate risk to customer personal and financial data; public exploit code is freely available, eliminating technical barriers to attack.

Business Impact: High

Compensating Controls

No vendor-released patch identified at time of analysis. Interim mitigations: Web Application Firewall with SQL injection signatures; network segmentation and access controls limiting exposure to trusted networks; database activity monitoring for unauthorized queries; parameterized query enforcement if available through system configuration.

Threat Intelligence Overview

EPSS Score

0.0%

Top 90% exploitable

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 MEDIUM

CISA KEV No

Public POC Yes

EPSS 0.0%

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.