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CVE-2025-59545

Dnnsoftware Dotnetnuke cross-site scripting (XSS)

9.0 CRITICALEPSS 0.49%
  1. Published23 Sept 2025

Description

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, the Prompt module allows execution of commands that can return raw HTML. Malicious input, even if sanitized for display elsewhere, can be executed when processed through certain commands, leading to potential script execution (XSS). This issue has been patched in version 10.1.0.

CVSS 3.1 breakdown

Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionRequired
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H

Affected products

Dnnsoftware Dotnetnuke< 10.1.0

Remediation

Fixed in
Dnnsoftware Dotnetnuke≥ 10.1.0

References

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Frequently asked

Is CVE-2025-59545 being actively exploited?

CVE-2025-59545 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.49%.

How severe is CVE-2025-59545?

CVE-2025-59545 has a CVSS 3.1 base score of 9.0, rated critical. EPSS estimates a 0.49% probability of exploitation.

Which products are affected by CVE-2025-59545?

Affected products include Dnnsoftware Dotnetnuke.

How do I fix CVE-2025-59545?

Upgrade affected software to a fixed version, for example Dnnsoftware Dotnetnuke 10.1.0 or later, then confirm no affected versions remain in your inventory.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2025-59545 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

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Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.