5.4
MEDIUM CVSS 3.1
CVE-2025-8511
Portabilis i-Diario Observações diario-de-observacoes cross site scripting
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."

INFO

Published Date :

Aug. 3, 2025, 2:15 p.m.

Last Modified :

Oct. 10, 2026, 4:16 p.m.

Remotely Exploit :

Yes !
Affected Products

The following products are affected by CVE-2025-8511 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Portabilis i-diario
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 134c704f-9b21-4f2e-91b3-4a467353bcc0
CVSS 2.0 MEDIUM [email protected]
CVSS 3.1 LOW [email protected]
CVSS 3.1 MEDIUM [email protected]
CVSS 4.0 MEDIUM [email protected]
Solution
Update the application to fix a cross-site scripting vulnerability in the Observações component.
  • Update the component to the latest version.
  • Contact the vendor for a patch.
  • Sanitize user inputs for Descri illed to prevent XSS.
Public PoC/Exploit Available at Github

CVE-2025-8511 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-8511 is associated with the following CWEs:

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

None

Updated: 3 months ago
16 stars 21 fork 21 watcher
Born at : June 13, 2025, 4:56 p.m. This repo has been linked 1222 different CVEs too.

Vulnerability Research Group

Updated: 3 months, 1 week ago
17 stars 1 fork 1 watcher
Born at : Jan. 7, 2025, 11:46 a.m. This repo has been linked 237 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-8511 vulnerability anywhere in the article.

The following table lists the changes that have been made to the CVE-2025-8511 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • CVE Modified by [email protected]

    Oct. 10, 2026

    Action Type Old Value New Value
    Changed Description A vulnerability classified as problematic was found in Portabilis i-Diario 1.5.0. This vulnerability affects unknown code of the file /diario-de-observacoes/ of the component Observações. The manipulation of the argument Descrição leads to cross site scripting. The attack can be initiated 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. 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."
    Added Affected Affected value modified. <a href="https://github.com/CVEProject/cvelistV5/blob/main/cves/2025/8xxx/CVE-2025-8511.json">CVE-2025-8511</a>
    Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8511.md
    Added Reference 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
    Added Reference https://github.com/portabilis/i-diario/
    Added Reference https://github.com/portabilis/i-diario/commit/821342cd8d952e8bd214cb16145da785a92f5681
    Added Reference https://vuldb.com/cve/CVE-2025-8511
    Added Reference https://vuldb.com/submit/618973
    Added Reference https://vuldb.com/vuln/318610
    Added Reference https://vuldb.com/vuln/318610/cti
    Removed Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8511.md
    Removed Reference 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
    Removed Reference https://vuldb.com/?ctiid.318610
    Removed Reference https://vuldb.com/?id.318610
    Removed Reference https://vuldb.com/?submit.618973
    Removed Reference Type https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8511.md Types: Exploit, Third Party Advisory
    Removed Reference Type 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 Types: Broken Link
    Removed Reference Type https://vuldb.com/?ctiid.318610 Types: Permissions Required, VDB Entry
    Removed Reference Type https://vuldb.com/?id.318610 Types: Third Party Advisory, VDB Entry
    Removed Reference Type https://vuldb.com/?submit.618973 Types: Third Party Advisory, VDB Entry
  • CVE Modified by [email protected]

    Jun. 17, 2026

    Action Type Old Value New Value
    Added Affected [{'vendor': 'Portabilis', 'modules': ['Observações'], 'product': 'i-Diario', 'versions': [{'status': 'affected', 'version': '1.5.0'}]}]
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jun. 17, 2026

    Action Type Old Value New Value
    Added SSVC {'id': 'CVE-2025-8511', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2025-08-04T18:39:02.408626Z'}
  • Data Remediation by [email protected]

    Apr. 29, 2026

    Action Type Old Value New Value
    Changed CVSS V4.0 Score 5.1 2
  • Initial Analysis by [email protected]

    Sep. 11, 2025

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
    Added CPE Configuration OR *cpe:2.3:a:portabilis:i-diario:1.5.0:*:*:*:*:*:*:*
    Added Reference Type VulDB: https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8511.md Types: Exploit, Third Party Advisory
    Added Reference Type VulDB: 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 Types: Broken Link
    Added Reference Type VulDB: https://vuldb.com/?ctiid.318610 Types: Permissions Required, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?id.318610 Types: Third Party Advisory, VDB Entry
    Added Reference Type VulDB: https://vuldb.com/?submit.618973 Types: Third Party Advisory, VDB Entry
  • New CVE Received by [email protected]

    Aug. 03, 2025

    Action Type Old Value New Value
    Added Description A vulnerability classified as problematic was found in Portabilis i-Diario 1.5.0. This vulnerability affects unknown code of the file /diario-de-observacoes/ of the component Observações. The manipulation of the argument Descrição leads to cross site scripting. The attack can be initiated 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.
    Added CVSS V4.0 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
    Added CVSS V3.1 AV:N/AC:L/PR:L/UI:R/S:U/C:N/I:L/A:N
    Added CVSS V2 (AV:N/AC:L/Au:S/C:N/I:P/A:N)
    Added CWE CWE-79
    Added CWE CWE-94
    Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8511.md
    Added Reference 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
    Added Reference https://vuldb.com/?ctiid.318610
    Added Reference https://vuldb.com/?id.318610
    Added Reference https://vuldb.com/?submit.618973
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.