Skip to content
Fencer Vulns
low 3.5

CVE-2025-8786 json

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

published 2025-08-10 14 mo ago modified 2026-10-10 29 d ago also EUVD-2025-24067

cvss
3.5
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.4%
EPSS 0.4% chance of exploitation in 30 days, percentile 32%
public exploits
0
none known

Summary

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."

Patch / fix

CISA SSVC

Exploitation
Proof of concept is public
Automatable
no
Technical impact
partial
Assessed
14 mo ago

Exploit prediction

0.39% chance of exploitation in the next 30 days, higher than 32% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • github.com https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8786.md referenced PoC, tagged "exploit" by a source, unverified
  • github.com https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-areas-de-conhecimento.(ID)%20in%20multiples%20parameters.md referenced PoC, tagged "exploit" by a source, unverified
  • vuldb.com https://vuldb.com/?submit.625794 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
CNA 4.0 5.1 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
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
CNA 3.0 3.5 CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N/E:P/RL:O/RC:C
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N/E:POC/RL:OF/RC:C
CNA 4.0 2.0 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
CNA 3.1 3.5 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
NVD 3.1 5.4 CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
CNA 2.0 4.0 AV:N/AC:L/Au:S/C:N/I:P/A:N

Affected products

  • Portabilis i-Diario

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation
  • CWE-94 Improper Control of Generation of Code

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.