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Clinic Management System CVE-2026-115246

| EUVDEUVD-2026-108162 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-10-22 VulDB GHSA-86cp-frwj-3p8c
2.0
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. Exploit
    Inject payload via Query argument in patdocmsg.php
  3. Execution
    Victim loads affected message page
  4. Impact
    Script executes in victim browser

Vulnerability Assessment

Weakness
CWE
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V1 - Encoding and Sanitization Output encoding, context-aware escaping
MITRE ATT&CK

2 techniques across 2 tactics: Initial Access, Execution

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

Exploitation Conditions

Exploitation targets the 'Query' argument processed by patdocmsg.php in the online-clinic-management-system. Per the CVSS 4.0 vector, it requires a low-privilege authenticated account (PR:L) and victim user interaction (UI:P) - a second user must view the page where the injected script renders - so this is not an unauthenticated drive-by. The precise trigger (reflected versus stored, and how the Query value reaches the sink) is not described in the available sources. Limiting factors: authentication is required, victim interaction is required, impact is confined to low integrity (no confidentiality or availability loss per the vendor vector), and the product is an obscure individual GitHub project. No fixed version is currently available because the project has not responded.

Impact

This is a low-severity, low-priority issue rather than a genuine emergency. The vendor-supplied CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N) yields a base score of only 2.0, driven down by the requirement for low-privilege authentication (PR:L), required user interaction (UI:P), and a narrow impact limited to low integrity on the vulnerable system with no confidentiality or availability effect - consistent with a reflected cross-site scripting flaw (CWE-79). The vuln.today Decision label is 'monitor', which aligns with the low score. No CISA KEV listing is present, so there is no confirmed active exploitation, and no EPSS probability was supplied, so widespread opportunistic exploitation cannot be quantified from this data. A public PoC reference exists (a GitHub issue report), but it is not verified as working exploit code, so POC availability should not be read as proven weaponization. The signals are internally consistent - low technical impact, authentication and interaction prerequisites, obscure product, and a 'monitor' decision all point the same direction. Note the data originates from a single source (VulDB) with no independent vendor confirmation, which is the main limitation on confidence.

Exploit ScenarioDerived

An authenticated low-privilege user of the clinic system submits a crafted value in the 'Query' argument handled by patdocmsg.php, injecting script that is later rendered when another user (e.g. a doctor or staff member) views the message interface, executing in that victim's browser session. A public PoC reference exists in the project's GitHub issue tracker, but it is not verified as working exploit code. The low CVSS 4.0 score reflects that both authentication (PR:L) and victim interaction (UI:P) are required.

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 – Oct 22, 2026

Cross-site scripting in the 'Query' argument handled by patdocmsg.php in subhajitkhan's online-clinic-management-system (all code through commit e9ee77a8827a1446220fa07ee693dc4d9a29a578) allows an authenticated low-privilege user to inject script that executes in another user's browser when that second user views the affected page. The vendor has been notified through a public issue report but has not responded, and no fixed version is available; a public PoC reference exists (GitHub issue #8), but it is not verified as working exploit code and there is no confirmed active exploitation (CISA KEV). Priority is low - the project is an obscure individual GitHub repository, authentication and victim interaction are both required, and the assessed impact is confined to low integrity with no confidentiality or availability loss.

RemediationAI

No vendor-released patch has been identified; the project maintainer was informed through issue https://github.com/subhajitkhan/online-clinic-management-system/issues/8 and has not responded, so monitoring that issue and the repository (https://github.com/subhajitkhan/online-clinic-management-system/) for a fix commit is the primary path to a permanent resolution. Because no fixed build exists, compensating controls are required: apply contextual HTML output encoding to the Query value at the rendering point in patdocmsg.php (for example escaping with htmlspecialchars using ENT_QUOTES and the appropriate charset) before it is echoed, accepting that legitimately special characters in stored values may display differently; validate or allow-list the Query parameter so unexpected markup is rejected, which can break reports that legitimately contain angle brackets or quotes; deploy a Content-Security-Policy that disallows inline script on the application's pages, with the trade-off that any existing inline JavaScript in the clinic system must be externalized or that CSP violations will appear; and restrict the application to trusted authenticated staff only, since exploitation requires a low-privileged account plus a second user viewing the affected page, so limiting accounts and network exposure reduces the attack surface but does not remove the flaw. The general hardening measure of keeping the application behind authentication is already a documented prerequisite rather than a fix, and the maintainer's silence means no upgrade version can be cited at this time.

Affected VersionsENISA

online-clinic-management-system e9ee77a8827a1446220fa07ee693dc4d9a29a578

Affects your stack

Find out whether the stacks and servers you run are on an affected version.

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

Technical ContextAI · show details

The target is a PHP-based clinic management web application, and the flaw falls under CWE-79 (Improper Neutralization of Input During Web Page Generation, i.e. cross-site scripting). Data supplied in the 'Query' argument reaches a rendering sink in patdocmsg.php without adequate output encoding, so markup or script supplied by one user is interpreted as active content in another user's session. The CVSS 4.0 vector records AV:N/AC:L/AT:N with PR:L and UI:P, meaning a low-privileged authenticated account is needed and a second party must interact with (view) the page for the payload to fire; the only rated impact is VI:L (low integrity) with no confidentiality or availability effect, while the independent CVSS 3.1 assessment scores it AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N (scope change with low confidentiality and integrity impact). The CPE cpe:2.3:a:subhajitkhan:online-clinic-management-system with a wildcard version indicates the vendor's codebase as a whole rather than a specific release is affected. The available sources do not describe the precise trigger - whether the injection is reflected or stored, or the exact path by which the Query value reaches the sink - so that behavior should not be assumed from the bug class alone.

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Severity by source

Vendor (VulDB) PRIMARY 2.0 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
vuln.today AI 5.4 MEDIUM

Network-reachable XSS reachable by a low-privilege authenticated user (PR:L) that requires a victim to view the page (UI:R); scope changes to the victim's browser (S:C) with low C/I impact.

3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:L/UI:P/VC:L/VI:L/VA:N/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
Passive
Vulnerable system: Confidentiality
None
Vulnerable system: Integrity
Low
Vulnerable system: Availability
None
Subsequent system: Confidentiality
None
Subsequent system: Integrity
None
Subsequent system: Availability
None

Lifecycle Timeline

3
Severity Changed
Oct 22, 2026 - 13:22 NVD
MEDIUM LOW
CVSS changed
Oct 22, 2026 - 13:22 NVD
5.1 (MEDIUM) 2.0 (LOW)
CVE Published
Oct 22, 2026 - 13:00 cve.org
LOW 2.0

DescriptionCVE.org

A weakness has been identified in subhajitkhan online-clinic-management-system up to e9ee77a8827a1446220fa07ee693dc4d9a29a578. This affects an unknown part of the file patdocmsg.php. Executing a manipulation of the argument Query can lead to cross site scripting. The attack may be performed from remote. The exploit has been made available to the public and could be used for attacks. The project was informed of the problem early through an issue report but has not responded yet.

Threat Intelligence Overview

EPSS Score
0.2%
Top 91% exploitable
Prevalence
Rare
individual developer's GitHub project, no enterprise deployment footprint
Exploit
POC
Public exploit code exists
Social Media
1
Sightings
Data Quality
5 sources
Confidence: Medium

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· derived
Poc
System Exposure· derived
Open
Automatable· derived
No
Human Impact· derived
Low

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

Cross-Site Scripting occurs when an application accepts untrusted data and sends it to a web browser without proper validation or encoding.

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