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GHSA-crx4-7mmq-j74j

LowCVSS 3.5 / 10
Published Aug 26, 2026·Last modified Aug 26, 2026
Affected Components(1)
Packagist logodevcode-it/openstamanager
< 2.11.0-beta
Description

Summary

An HTML Injection vulnerability exists in the user group creation functionality that allows an attacker to inject arbitrary HTML content into the application interface. The vulnerability occurs when user-supplied input in the group name field is not properly sanitized before being rendered, allowing an attacker to inject HTML elements such as anchor tags. This may enable phishing attacks or unintended redirection when other users interact with the injected content.

Details

The vulnerable code responsible for rendering this content is located in: modules/utenti/edit.php

<i class="fa fa-users mr-2"></i>'.tr('Utenti del gruppo: _GROUP_', [
    '_GROUP_' => '<span class="text-primary">'.$group->getTranslation('title').'</span>

PoC

A malicious user can inject HTML content into the Name field when creating a new user group.

<img width="1233" height="293" alt="image" src="https://github.com/user-attachments/assets/cc09d0d5-ec77-4e94-94f7-35a277c49130" />

After selecting the group, the application renders the injected HTML without proper sanitization. As a result, the anchor tag is displayed as an active link in the interface.

<img width="583" height="356" alt="image" src="https://github.com/user-attachments/assets/ac9006fb-2a5c-4a84-946e-9c54b7ac5500" />

The injected anchor tag is also visible when the group is assigned to a user.

<img width="1262" height="503" alt="image" src="https://github.com/user-attachments/assets/68b2d45f-d0b8-4304-90fa-cb56f55ce3aa" />

When a user clicks the injected link, the browser redirects them to the attacker-controlled URL.

Impact

This vulnerability is an HTML Injection caused by improper sanitization of user-supplied input before rendering it in the application interface. Any user who views the interface where the injected content is rendered may be impacted.

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Risk Scores
Base Score
3.5

The vulnerability can be exploited over the network without needing physical access. It is easy for an attacker to exploit this vulnerability. An attacker needs high-level or administrative privileges. The attacker needs the user to perform some action, like clicking a link. The impact is confined to the system where the vulnerability exists. There is a low impact on the confidentiality of the information. There is a low impact on the integrity of the data.

Threat Intelligence
3.2

Limited exploitation activity has been observed. Close monitoring and planned remediation are recommended.

EPSS
N/A

Probability that this vulnerability will be exploited in the wild within the next 30 days.

Exploit
Not available

We did not find any exploit available. Neither in GitHub repositories nor in the Exploit-Database.

Related Vulnerabilities
  • CVE-2026-44701
    Alias

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Low severity
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