CVE-2025-8787
Portabilis i-Diario Registro das atividades registros-de-conteudos-por-disciplina cross site scripting
Description
A security flaw has been discovered in Portabilis i-Diario up to 1.5.0. The affected element is an unknown function of the file /registros-de-conteudos-por-disciplina/ of the component Registro das atividades. The manipulation of the argument Registro de atividades/Conteúdos results in cross site scripting. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 821342cd8d952e8bd214cb16145da785a92f5681. A patch should be applied to remediate 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. 10, 2025, 2:15 a.m.
Last Modified :
Oct. 10, 2026, 4:16 p.m.
Remotely Exploit :
Yes !
Source :
[email protected]
CVSS Scores
| 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 Portabilis i-Diario to the latest version available.
- Sanitize user inputs for the 'Registro de atividades/Conteudos' parameter.
- Implement output encoding for user-supplied data displayed on the page.
Public PoC/Exploit Available at Github
CVE-2025-8787 has a 2 public
PoC/Exploit available at Github.
Go to the Public Exploits tab to see the list.
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2025-8787.
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2025-8787 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2025-8787
weaknesses.
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
Vulnerability Research Group
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2025-8787 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2025-8787 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 has been found in Portabilis i-Diario up to 1.5.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /registros-de-conteudos-por-disciplina/ of the component Registro das atividades. The manipulation of the argument Registro de atividades/Conteúdos 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. A security flaw has been discovered in Portabilis i-Diario up to 1.5.0. The affected element is an unknown function of the file /registros-de-conteudos-por-disciplina/ of the component Registro das atividades. The manipulation of the argument Registro de atividades/Conteúdos results in cross site scripting. The attack may be launched remotely. The exploit has been released to the public and may be used for attacks. The patch is identified as 821342cd8d952e8bd214cb16145da785a92f5681. A patch should be applied to remediate 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-2025-8787.json">CVE-2025-8787</a> Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.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-2025-8787 Added Reference https://vuldb.com/submit/625795 Added Reference https://vuldb.com/vuln/319315 Added Reference https://vuldb.com/vuln/319315/cti Removed Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Removed Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.md Removed Reference https://vuldb.com/?ctiid.319315 Removed Reference https://vuldb.com/?id.319315 Removed Reference https://vuldb.com/?submit.625795 Removed Reference Type https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Types: Exploit, Third Party Advisory Removed Reference Type https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.md Types: Broken Link Removed Reference Type https://vuldb.com/?ctiid.319315 Types: Permissions Required, VDB Entry Removed Reference Type https://vuldb.com/?id.319315 Types: Third Party Advisory, VDB Entry Removed Reference Type https://vuldb.com/?submit.625795 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Oct. 10, 2026
Action Type Old Value New Value Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Added Reference https://vuldb.com/?submit.625795 Removed Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Removed Reference https://vuldb.com/?submit.625795 Removed Reference Type https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Types: Exploit, Third Party Advisory Removed Reference Type https://vuldb.com/?submit.625795 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': ['Registro das atividades'], 'product': 'i-Diario', 'versions': [{'status': 'affected', 'version': '1.0'}, {'status': 'affected', 'version': '1.1'}, {'status': 'affected', 'version': '1.2'}, {'status': 'affected', 'version': '1.3'}, {'status': 'affected', 'version': '1.4'}, {'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-2025-8787', 'role': 'CISA Coordinator', 'options': [{'exploitation': 'poc'}, {'automatable': 'no'}, {'technicalImpact': 'partial'}], 'version': '2.0.3', 'timestamp': '2025-08-12T15:21:35.300804Z'} -
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. 02, 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:*:*:*:*:*:*:*:* versions up to (including) 1.5.0 Added Reference Type CISA-ADP: https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Types: Exploit, Third Party Advisory Added Reference Type VulDB: https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.md Types: Broken Link Added Reference Type VulDB: https://vuldb.com/?ctiid.319315 Types: Permissions Required, VDB Entry Added Reference Type VulDB: https://vuldb.com/?id.319315 Types: Third Party Advisory, VDB Entry Added Reference Type CISA-ADP: https://vuldb.com/?submit.625795 Types: Third Party Advisory, VDB Entry Added Reference Type VulDB: https://vuldb.com/?submit.625795 Types: Third Party Advisory, VDB Entry -
CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0
Aug. 12, 2025
Action Type Old Value New Value Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/CVE-2025-8787.md Added Reference https://vuldb.com/?submit.625795 -
New CVE Received by [email protected]
Aug. 10, 2025
Action Type Old Value New Value Added Description A vulnerability has been found in Portabilis i-Diario up to 1.5.0 and classified as problematic. Affected by this vulnerability is an unknown functionality of the file /registros-de-conteudos-por-disciplina/ of the component Registro das atividades. The manipulation of the argument Registro de atividades/Conteúdos 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. 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-2025-8787.md Added Reference https://github.com/marcelomulder/CVE/blob/main/i-diario/Stored%20XSS%20endpoint%20registros-de-conteudos-por-disciplina.(ID)%20in%20multiples%20parameters.md Added Reference https://vuldb.com/?ctiid.319315 Added Reference https://vuldb.com/?id.319315 Added Reference https://vuldb.com/?submit.625795