CVE-2025-8786 Portabilis i-Diario Registro das atividades registros-de-conteudos-por-areas-de-conhecimento cross site scripting

Medium 5.1 Published Updated

Attackers can inject malicious scripts into activity records, potentially leading to code execution or account takeover in Portabilis i-Diario.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-8786?

CVE-2025-8786 is a medium-severity cross-site scripting vulnerability in Portabilis i-Diario, published on 10 Aug 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A vulnerability was identified in Portabilis i-Diario up to 1.5.0. Impacted is an unknown function of the file /registros-de-conteudos-por-areas-de-conhecimento/ of the component Registro das atividades. The manipulation of the argument Registro de atividades/Conteúdos leads to cross site scripting. The attack may be initiated remotely. The exploit is publicly available and might be used. The identifier of the patch is 821342cd8d952e8bd214cb16145da785a92f5681. It is suggested to install a patch to address this issue. The vendor confirms: "Audited values shown on that screen are now sanitized on output: only a minimal allowlist of basic formatting tags is kept and all attributes are stripped, so injected <script> or event-handler markup is removed and displayed as inert text."

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-8786?

It affects 1 product.

Products include Portabilis I-Diario.

How do I fix CVE-2025-8786?

No fix has been published for CVE-2025-8786 yet. Limit exposure of the affected software until one is available.

Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.

Is CVE-2025-8786 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8786 exists.

Sources

Also known as GHSA-7chf-43jm-hxx3.

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