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

• Severity: medium (CVSS 5.4 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2025-08-03 · updated 2026-10-10
• Weakness: CWE-79

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."

Affected products

• Portabilis i-Diario: 1.5.0

References

• 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/
• https://github.com/portabilis/i-diario/commit/821342cd8d952e8bd214cb16145da785a92f5681
• https://vuldb.com/cve/CVE-2025-8511
• https://vuldb.com/submit/618973
• https://vuldb.com/vuln/318610
• https://vuldb.com/vuln/318610/cti

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