CVE-2025-7871

CVE-2025-7871: Cross-Site Scripting (XSS) Reflected endpoint `conteudos` parameter `filter[by_description]`

CVE Publication: https://www.cve.org/CVERecord?id=CVE-2025-7871

Summary

A Reflected Cross-Site Scripting (XSS) vulnerability was identified in the conteudos endpoint of the i-Diário application. This vulnerability allows attackers to inject malicious scripts into the filter[by_description] parameter.

Details

Vulnerable Endpoint: conteudos

Parameter: filter[by_description]

PoC

Payload:

1
  "><img src=x onerror=alert('XSS-PoC')>

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.