CVE-2026-40321

highpriority · track · 2EPSS 0.064 · 94 %ileEUUS

grimoire priorityP2 · Scheduled

Exploitable?

—

no known exploitation

Likely / severe?

6.41% (94th) EPSS

CVSS 8.1 · high

Is it mine?

3 products

Check your exposure

Who says so?

4 sources

cnnvd · enisa_euvd · nvd · osv

EPSS · scored 2026-10-27

DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthenticated DNN users. The impact is increased if the scripts are run by a power user. Version 10.2.2 patches the issue.

cvss

Technical severity, 0–10. One row per scoring source.

8.1

010

base score 0–10 · higher = more severe · hover a vector to decode

v3.18.1highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.18highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · security-advisories@github.comexploitability 1.3 · impact 6

v3.18highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:Hsecondary · OSV

v3.17.3highCVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

ssvc

A stakeholder decision — act, attend, or track — from exploitation and impact.

Exploitation: none · Automatable: no · Technical Impact: totalcoordinatorcisa_ssvcUS

weaknesses

The CWE weakness classes this flaw belongs to.

CWE-87USCWE-87US

affected products (3)

Products and version ranges known to be affected.

DNNSoftware Dnn.Platform≤ < 10.2.2enisa_euvdEU
dnnsoftware dotnetnuke< 10.2.2nvdUScpe:2.3:a:dnnsoftware:dotnetnuke:*:*:*:*:*:*:*:*
NuGet DotNetNuke.Core< 10.2.2osvUSpkg:nuget/DotNetNuke.Core

advisories (1)

Vendor and ecosystem advisories describing this.

GHSA-ffq7-898w-9jc4DotNetNuke.Core has stored cross-site-scripting (XSS) via SVG upload2026-04-10ghsa · osvUS
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 10.2.2, a user could upload a specially crafted SVG file that could include scripts that can target both authenticated and unauthenticated DNN users. The impact is increased if the scripts are run by a power user. Version 10.2.2 patches the issue.

also known as (3)

Other names and identifiers for this entity.

sources

Which sources assert this record, and when.

cnnvd enisa_euvd nvd osv NVD CVE.org MITRE

published 2026-04-17modified 2026-10-26

references (7)

External citations — patches, advisories, analysis.

scry

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