How severe is CVE-2025-59545?

CVE-2025-59545 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2025-59545 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59545?

CVE-2025-59545 affects Dnnsoftware Dotnetnuke. See the affected-products list for the exact vulnerable versions.

How do I fix CVE-2025-59545?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

Does CVE-2025-59545 have an EU (EUVD) identifier?

Yes. CVE-2025-59545 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30896.

When was CVE-2025-59545 published?

CVE-2025-59545 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2025-59545

CVE-2025-59545 is a critical-severity vulnerability in Dnnsoftware Dotnetnuke with a CVSS 3.x base score of 9.0. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-79.

Key facts

Severity: Critical (CVSS 3.x base score 9.0)
EPSS exploit prediction: 1% (40th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30896
Weakness: CWE-79
Affected product: Dnnsoftware Dotnetnuke
Published: 2025-09-23
Last modified: 2026-06-17

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.

Frequently asked questions

What is CVE-2025-59545?: 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.
How severe is CVE-2025-59545?: CVE-2025-59545 has a CVSS 3.x base score of 9.0, rated critical severity. It is exploitable over network with low attack complexity, requires low privileges and user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2025-59545 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59545?: CVE-2025-59545 affects Dnnsoftware Dotnetnuke. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2025-59545?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
Does CVE-2025-59545 have an EU (EUVD) identifier?: Yes. CVE-2025-59545 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30896.
When was CVE-2025-59545 published?: CVE-2025-59545 was published on 2025-09-23 and last updated on 2026-06-17.

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-2qxc-mf4x-wr29

Affected products (1)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*

More vulnerabilities in Dnnsoftware Dotnetnuke

CVE-2025-64095 — Critical (CVSS 10.0): DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to…
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