CVE-2026-4355: Cross-Site Scripting (XSS) Stored in new educar_servidor_curso_lst parameter name
CVE Publication: https://www.cve.org/CVERecord?id=CVE-2026-4355
Summary
A Stored Cross-Site Scripting (XSS) vulnerability was identified in the educar_servidor_curso_lst.php endpoint of the I-educar 2.11 application. This vulnerability allows attackers to inject malicious scripts into the name parameter. The injected scripts are stored on the server and executed automatically whenever the ComponenteCurricular/view page is accessed by users, representing a significant security risk.
Details
Vulnerable Endpoint: educar_servidor_curso_lst.php
Parameter: name
PoC
Payload
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Steps to Reproduce:
Register the payload in the name field at the educar_servidor_curso_lst.php endpoint.
After that, the XSS can be triggered by opening the educar_servidor_curso_lst.php endpoint corresponding to the edited ID.
Impact
- Session hijacking: Stealing cookies or authentication tokens to impersonate users.
- Credential theft: Harvesting usernames and passwords using malicious scripts.
- Malware delivery: Distributing unwanted or harmful code to victims.
- Privilege escalation: Compromising administrative users through persistent scripts.
- Data manipulation or defacement: Changing or disrupting site content.
- Reputation damage: Eroding trust among site users and administrators.
Reference
https://github.com/Saiipe/CVE/blob/main/i-educar%2FCVE-2026-4355.md
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