How severe is CVE-2025-59539?

CVE-2025-59539 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.

Is CVE-2025-59539 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2025-59539?

CVE-2025-59539 primarily affects Dnnsoftware Dotnetnuke. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2025-59539?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.

Does CVE-2025-59539 have an EU (EUVD) identifier?

Yes. CVE-2025-59539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30452.

When was CVE-2025-59539 published?

CVE-2025-59539 was published on 2025-09-23 and last updated on 2026-06-17.

CVE-2025-59539

CVE-2025-59539 is a medium-severity vulnerability in Dnnsoftware Dotnetnuke with a CVSS 3.x base score of 6.3. 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: Medium (CVSS 3.x base score 6.3)
EPSS exploit prediction: 0% (6th percentile)
Actively exploited: Not listed in CISA KEV
EU (EUVD) id: EUVD-2025-30452
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, when embedding information in the Biography field, even if that field is not rich-text, users could inject javascript code that would run in the context of the website and to any other user that can view the profile including administrators and/or superusers. This issue has been patched in version 10.1.0.

Frequently asked questions

What is CVE-2025-59539?: DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.1.0, when embedding information in the Biography field, even if that field is not rich-text, users could inject javascript code that would run in the context of the website and to any other user that can view the profile including administrators and/or superusers. This issue has been patched in version 10.1.0.
How severe is CVE-2025-59539?: CVE-2025-59539 has a CVSS 3.x base score of 6.3, rated medium severity. It is exploitable over network with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is low, integrity low, and availability low.
Is CVE-2025-59539 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (6th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2025-59539?: CVE-2025-59539 primarily affects Dnnsoftware Dotnetnuke. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2025-59539?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
Does CVE-2025-59539 have an EU (EUVD) identifier?: Yes. CVE-2025-59539 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2025-30452.
When was CVE-2025-59539 published?: CVE-2025-59539 was published on 2025-09-23 and last updated on 2026-06-17.

References

https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-7rcc-q6rq-jpcm

Affected products (2)

cpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*
cpe:2.3:a:dnnsoftware:dotnetnuke:10.1.0:rc1:*:*:*:*:*:*

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…
CVE-2006-3601 — Critical (CVSS 10.0): ** UNVERIFIABLE ** Unspecified vulnerability in an unspecified DNN Modules module for DotNetNuke (.net nuke) allows…
CVE-2015-2794 — Critical (CVSS 9.8): The installation wizard in DotNetNuke (DNN) before 7.4.1 allows remote attackers to reinstall the application and gain…
CVE-2026-24838 — Critical (CVSS 9.1): DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to…
CVE-2025-59545 — Critical (CVSS 9.0): DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to…
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