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PHP EUVDEUVD-2026-12686

| CVE-2026-4355 LOW
Cross-site Scripting (XSS) (CWE-79)
2026-03-18 cna@vuldb.com
2.0
CVSS 4.0 · NVD

Severity by source

NVD PRIMARY
2.0 LOW
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/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:L/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
Low
User Interaction
P
Scope
X

Lifecycle Timeline

7
Severity Changed
Apr 29, 2026 - 01:11 NVD
MEDIUM LOW
CVSS changed
Apr 29, 2026 - 01:11 NVD
5.1 (MEDIUM) 2.0 (LOW)
Severity Changed
Apr 22, 2026 - 21:37 NVD
LOW MEDIUM
CVSS changed
Apr 22, 2026 - 21:37 NVD
3.5 (LOW) 5.1 (MEDIUM)
EUVD ID Assigned
Mar 18, 2026 - 00:30 euvd
EUVD-2026-12686
Analysis Generated
Mar 18, 2026 - 00:30 vuln.today
CVE Published
Mar 18, 2026 - 00:16 nvd
LOW 3.5

DescriptionCVE.org

A vulnerability was detected in Portabilis i-Educar 2.11. This impacts an unknown function of the file /intranet/educar_servidor_curso_lst.php of the component Endpoint. Performing a manipulation of the argument Name results in cross site scripting. The attack may be initiated remotely. The exploit is now public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

AnalysisAI

A stored or reflected cross-site scripting (XSS) vulnerability exists in Portabilis i-Educar 2.11 through improper input validation on the Name parameter in the /intranet/educar_servidor_curso_lst.php endpoint. An authenticated attacker can inject malicious JavaScript that executes in the context of other users' browsers, potentially enabling session hijacking, credential theft, or malware distribution. A public proof-of-concept exploit is available, and the vendor has not responded to early disclosure attempts, indicating no patch is currently available.

Technical ContextAI

The vulnerability is a reflected or stored cross-site scripting (CWE-79) flaw in a PHP-based educational management system. The i-Educar application fails to properly sanitize or encode the Name parameter before rendering it in the HTTP response from the /intranet/educar_servidor_curso_lst.php component endpoint. The attack vector is network-based and requires prior authentication (PR:L per CVSS), but only requires user interaction (UI:R) to be exploited, suggesting the payload is likely embedded in a link or form submission that a victim must click. The PHP framework does not appear to implement sufficient output encoding or content security policy (CSP) headers to mitigate reflected XSS attacks.

RemediationAI

Immediately contact Portabilis for a patched version of i-Educar, as the vendor has not publicly released a fix despite early notification; check their security advisories at their official website for any emergency patches. As an interim mitigation, deploy a Web Application Firewall (WAF) rule to filter requests containing encoded or raw JavaScript payloads in the Name parameter, restrict access to the /intranet/ path to trusted IP ranges using reverse proxy or firewall rules, and implement Content Security Policy (CSP) headers with strict script-src directives to prevent inline script execution. Additionally, conduct security awareness training to discourage users from clicking untrusted links within the application, and review access logs for any exploitation attempts using the public POC signatures available on GitHub.

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EUVD-2026-12686 vulnerability details – vuln.today

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