Portabilis i-Diario 1.5.0 /conteudos filter[by_description] cross site scripting

Summaryinfo

A vulnerability labeled as problematic has been found in Portabilis i-Diario 1.5.0. This affects an unknown function of the file /conteudos. Executing a manipulation of the argument filter[by_description] can lead to cross site scripting. The identification of this vulnerability is CVE-2025-7871. The attack may be launched remotely. Furthermore, there is an exploit available. Applying a patch is advised to resolve this issue. The vendor confirms: "The searched term is now rendered escaped in the autocomplete widget, and the content tags are rendered through output-escaped templates, so an injected payload is displayed as inert text instead of being executed."

Detailsinfo

A vulnerability has been found in Portabilis i-Diario 1.5.0 (Learning Management Software) and classified as problematic. This vulnerability affects an unknown part of the file /conteudos. The manipulation of the argument filter[by_description] with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity.

The bug was discovered 07/02/2025. The weakness was shared by Natan Morette (@nmmorette) with CVE-Hunters (GitHub). The advisory is shared for download at github.com. This vulnerability was named CVE-2025-7871. The exploitation appears to be easy. The attack can be initiated remotely. Successful exploitation requires user interaction by the victim. Technical details and also a public exploit are known. The MITRE ATT&CK project declares the attack technique as T1059.007.

A public exploit has been developed by Natan Morette (@nmmorette). It is possible to download the exploit at github.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 17 days. During that time the estimated underground price was around . The vendor confirms: "The searched term is now rendered escaped in the autocomplete widget, and the content tags are rendered through output-escaped templates, so an injected payload is displayed as inert text instead of being executed."

Applying the patch d076c112b45e3b3e41cbe11de27949b491d922c2 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-21993). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Type

• Learning Management Software

Vendor

• Portabilis

Name

• i-Diario

Version

• 1.5.0

License

• open-source

Website

• Product: https://github.com/portabilis/i-diario/

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Accepted

• Submit #607948: Portabilis i-diario 1.5.0 Cross Site Scripting (by nmmorette)

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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