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restaurent-management-system CVE-2026-13499

| EUVDEUVD-2026-39997 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-06-28 VulDB GHSA-3fgv-mx7v-rwx5
XSS PHP Restaurent Management System
2.1
CVSS 4.0 · Vendor: VulDB

Severity by source

Vendor (VulDB) PRIMARY
2.1 MEDIUM
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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
vuln.today AI
6.1 MEDIUM

Registration requires no privileges (PR:N); stored XSS crosses into victim browser context (S:C, UI:R); no availability impact and confidentiality limited to potential session exposure.

3.1 AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
4.0 AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N

Primary rating from Vendor (VulDB).

CVSS VectorVendor: VulDB

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N/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
P
Scope
X

Lifecycle Timeline

3
Analysis Generated
Jun 28, 2026 - 14:31 vuln.today
Severity Changed
Jun 28, 2026 - 14:22 NVD
MEDIUM LOW
CVSS changed
Jun 28, 2026 - 14:22 NVD
5.3 (MEDIUM) 2.1 (LOW)

DescriptionCVE.org

A security flaw has been discovered in yashpokharna2555 restaurent-management-system. This impacts an unknown function of the file login_register.php of the component Registration Handler. Performing a manipulation of the argument Username results in cross site scripting. The attack may be initiated remotely. The exploit has been released to the public and may be used for attacks. This product uses a rolling release model to deliver continuous updates. As a result, specific version information for affected or updated releases is not available. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Cross-site scripting in yashpokharna2555/restaurent-management-system allows remote unauthenticated attackers to inject arbitrary client-side script via the Username argument in login_register.php's Registration Handler. The payload executes in the browser of any user who subsequently views the tainted data - most likely an administrator reviewing registered accounts. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Access public registration form
Delivery
Submit crafted Username with XSS payload
Exploit
Payload stored in backend database
Execution
Admin browses user list
Persist
Stored script executes in admin browser
Impact
Limited integrity impact achieved
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Vulnerability AssessmentAI

Exploitation No authentication or account is required to submit the malicious registration (PR:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 score of 2.1 (vector AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:L/VA:N with E:P) is low due to required user interaction (UI:P) and constrained impact (integrity only, no confidentiality or availability). … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker visits the registration page of a deployed instance and submits a new account with a Username value containing a JavaScript payload such as an alert or cookie-stealing script. The payload is stored in the application's backend. …
Remediation No vendor-released patch has been identified at time of analysis - the project maintainer has not responded to the disclosure. … Detailed patch versions, workarounds, and compensating controls in full report.
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CVE-2026-13499 vulnerability details – vuln.today
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