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PHP EUVD-2026-19215

| CVE-2026-5643 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-04-06 VulDB GHSA-fwhv-4w7x-fj6c
1.9
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
1.9 LOW
CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
High
User Interaction
P
Scope
X

Lifecycle Timeline

6
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
4.8 (MEDIUM) 1.9 (LOW)
PoC Detected
Apr 07, 2026 - 13:20 vuln.today
Public exploit code
EUVD ID Assigned
Apr 06, 2026 - 10:15 euvd
EUVD-2026-19215
Analysis Generated
Apr 06, 2026 - 10:15 vuln.today
CVE Published
Apr 06, 2026 - 09:45 nvd
MEDIUM 4.8

DescriptionCVE.org

A vulnerability was identified in Cyber-III Student-Management-System up to 1a938fa61e9f735078e9b291d2e6215b4942af3f. This impacts an unknown function of the file /admin/Add%20notice/notice.php of the component Admin Add Endpoint. Such manipulation of the argument $_SERVER['PHP_SELF'] leads to cross site scripting. It is possible to launch the attack remotely. The exploit is publicly available and might be used. This product takes the approach of rolling releases to provide continious delivery. Therefore, version details for affected and updated releases are not available. The project was informed of the problem early through an issue report but has not responded yet.

AnalysisAI

Reflected cross-site scripting in Cyber-III Student-Management-System up to commit 1a938fa61e9f735078e9b291d2e6215b4942af3f allows high-privilege authenticated attackers to inject malicious scripts via the $_SERVER['PHP_SELF'] parameter in the admin notice endpoint (/admin/Add%20notice/notice.php). Publicly available exploit code exists, and the vulnerability requires user interaction (UI) to trigger, limiting practical impact despite remote accessibility.

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Vulnerability AssessmentAI

Risk Assessment The real-world risk is moderate despite the 4.8 CVSS score. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker with administrative credentials (or who has compromised an admin account) crafts a malicious URL containing JavaScript in the PHP_SELF parameter and tricks another administrator into clicking the link while logged into the system. When the second admin visits /admin/Add%20notice/notice.php?malicious_parameter, the unescaped PHP_SELF value is rendered in the HTML output, executing the attacker's JavaScript in the victim admin's browser session. …
Remediation No official vendor-released patch has been provided at the time of analysis; the project has not responded to the early disclosure notification. … Detailed patch versions, workarounds, and compensating controls in full report.

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EUVD-2026-19215 vulnerability details – vuln.today

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