SB2025102934 - Multiple vulnerabilities in DotNetNuke

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Main Vulnerability Database SB2025102934

SB2025102934 - Multiple vulnerabilities in DotNetNuke

Published: October 29, 2025 Updated: August 28, 2026

Security Bulletin ID SB2025102934
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 3
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 3 vulnerabilities.


1) Stored cross-site scripting (CVE-ID: CVE-2025-48378)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data within uploaded SVG files. A remote user can inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


2) Improper access control (CVE-ID: CVE-2025-48376)

CWE-ID: CWE-284 - Improper Access Control

CVSSv4: 4.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:L/VA:L/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to modify data and cause a denial of service.

The vulnerability exists due to improper access control in the site import feature when handling a crafted request that uses an external source. A remote privileged user can send a specially crafted request to modify data and cause a denial of service.

User interaction is required.


3) Cross-site scripting (CVE-ID: CVE-2025-48377)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote user to execute arbitrary script code in a victim's browser.

The vulnerability exists due to cross-site scripting in module actions in edit mode when handling crafted input. A remote user can send a specially crafted request or link to execute arbitrary script code in a victim's browser.

Exploitation requires access to edit mode.


Remediation

Install update from vendor's website.

References