Cross-Site Scripting (XSS) in Portabilis (CVE-2025-8786)
Summary
Cross-site scripting in Portabilis (CVE-2025-8786). Risk of unauthorized operations or information disclosure.
Original description
The description as published by the source.
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 or event-handler markup is removed and displayed as inert text."
Source: NIST National Vulnerability Database NVD GitHub Advisory
Auto-generated summary
Assembled by SecPulse from the source data (CVSS, CWE, affected versions) using templates — no AI involved. Check the original description and references below for exact details.
A vulnerability tracked as CVE-2025-8786 has been found in Portabilis.
Risk of unauthorized operations or information disclosure. CVSS score: 3.5/10.
What to do: apply the vendor's official patched release.
If unsure, ask your IT team or search "Portabilis CVE-2025-8786" on the vendor's site.
CVE-2025-8786 (Portabilis) — CWE-79 / CVSS v3 3.5
Attack vector: remote (network-reachable)
Plan: 1) Audit SBOM/dependencies, 2) Stage→prod upgrade, 3) Add WAF/proxy monitoring on affected endpoints, 4) Hunt IOCs in logs.
Refs: see the GHSA / vendor advisory / patched release linked on this page.
Cross-site scripting (XSS) (CWE-79) exists in Portabilis.
Check the vendor advisory for the affected versions of Portabilis.
Severity: Low (CVSS 3.5/10). Risk of unauthorized operations or information disclosure.
Update to the patched release per vendor advisory.
Until the patch is applied: disable the affected feature, apply WAF rules, or restrict access via network ACLs.
Search webserver/proxy logs for unusual request patterns matching this CVE's known IOCs. Run grep -r 'Portabilis' . against your dependency files (package-lock.json, requirements.txt, go.sum) to find affected services.
Response actions
Concrete steps and command examples for SOC/SRE teams to execute in order
-
1Identify exposure identify
grep -r 'Portabilis' . | grep -v node_modulesリポジトリと本番環境の依存ファイル (package-lock.json / requirements.txt / go.sum / Gemfile.lock 等) で
Portabilisを grep し、稼働しているサービス・バージョンを把握する。 -
2Post-deployment verification verify
Confirm patched version is live in productionパッチ適用後、ステージングで PoC または同等の悪用パターンを再現して脆弱性が閉じたことを確認。本番ではアクセスログ・WAF でアラート再発が無いか継続監視。
References
- advisory vuldb.com
- advisory vuldb.com
- advisory vuldb.com
- advisory vuldb.com
- advisory nvd.nist.gov
- advisory github.com
- patch github.com
- report github.com
- report vuldb.com
- report vuldb.com
- web github.com
- web github.com
- web vuldb.com
- web vuldb.com
- web github.com
- web github.com