CVE-2026-5643

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{"affected": [{"affectedData": [{"modules": ["Admin Add Endpoint"], "product": "Student-Management-System", "vendor": "Cyber-III", "versions": [{"status": "affected", "version": "1a938fa61e9f735078e9b291d2e6215b4942af3f"}]}], "source": "cna@vuldb.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "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."}, {"lang": "es", "value": "Una vulnerabilidad fue identificada en Cyber-III Student-Management-System hasta 1a938fa61e9f735078e9b291d2e6215b4942af3f. Esto impacta una funci\u00f3n desconocida del archivo /admin/Add%20notice/notice.php del componente Admin Add Endpoint. Tal manipulaci\u00f3n del argumento $_SERVER[\u2019PHP_SELF\u2019] lleva a cross site scripting. Es posible lanzar el ataque remotamente. El exploit est\u00e1 disponible p\u00fablicamente y podr\u00eda ser usado. Este producto adopta el enfoque de lanzamientos continuos para proporcionar entrega continua. Por lo tanto, los detalles de la versi\u00f3n para las versiones afectadas y actualizadas no est\u00e1n disponibles. El proyecto fue informado del problema tempranamente a trav\u00e9s de un informe de problema pero a\u00fan no ha respondido."}], "id": "CVE-2026-5643", "lastModified": "2026-10-26T21:10:00.170", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "NETWORK", "authentication": "MULTIPLE", "availabilityImpact": "NONE", "baseScore": 3.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:L/Au:M/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 6.4, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 2.4, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:N/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 0.9, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 1.9, "baseSeverity": "LOW", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "PROOF_OF_CONCEPT", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "HIGH", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "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", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-5643", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-04-06T11:42:37.920764Z", "version": "2.0.3"}}]}, "published": "2026-04-06T10:16:02.987", "references": [{"source": "cna@vuldb.com", "url": "https://github.com/Cyber-III/Student-Management-System/"}, {"source": "cna@vuldb.com", "url": "https://github.com/Cyber-III/Student-Management-System/issues/237"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/785859"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/355431"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/355431/cti"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}, {"lang": "en", "value": "CWE-94"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "code_commit", "value": "1a938fa61e9f735078e9b291d2e6215b4942af3f"}}], "enrichment": {"confidence": 100.0, "confidence_source": "cna", "scores": [{"score": 100.0, "source": "cna"}]}, "product": "student-management-system", "vendor": "cyber-iii"}], "analysis": {"en": {"generated_at": "2026-04-06T12:50:43.716605+00:00", "value": {"mitigation_remediation": ["Upgrade the Cyber\u2011III Student\u2011Management\u2011System to the latest release once a patch addressing the notice.php XSS flaw is released.", "If a patch is not yet available, sanitize or encode the $_SERVER['PHP_SELF'] value before it is echoed or used in output to neutralize injected scripts.", "Implement a content\u2011security policy that restricts the execution of inline scripts as an additional defense.", "Monitor web server logs for suspicious requests containing manipulated PHP_SELF or injected JavaScript snippets."], "summary": {"action": "Apply Patch", "impact": "Cross\u2011Site Scripting"}, "threat_synthesis": {"affected_systems": "All released builds of the Cyber\u2011III Student\u2011Management\u2011System up to the code commit 1a938fa61e9f735078e9b291d2e6215b4942af3f are affected; no specific release numbers are available due to the project\u2019s rolling release model.", "description_and_impact": "A cross\u2011site scripting flaw exists in the admin Add Notice endpoint of the Cyber\u2011III Student\u2011Management\u2011System. By manipulating the $_SERVER['PHP_SELF'] value used in /admin/Add%20notice/notice.php, an attacker can inject JavaScript that executes in the browsers of users who view the affected page. This flaw allows the theft of session data, defacement, or other malicious actions performed under the victim\u2019s permissions. The weakness is an example of unchecked user\u2011controlled input leading to a stored or reflected XSS (CWE\u201179).", "risk_and_exploitability": "The CVSS score of 4.8 indicates moderate severity, and the lack of EPSS data and KEV listing underlines limited publicly known exploitation efforts, yet the publicly available exploit and the ability to trigger the flaw remotely from any external host make the risk tangible for exposed installations."}}}}, "created": "2026-04-06T20:14:41.849929+00:00", "updated": "2026-04-06T21:32:58.331057+00:00", "vendors": ["cyber-iii", "cyber-iii$PRODUCT$student-management-system"]}