PT-2026-32985 · Dnn · Dnn

Published 2026-04-10 · Updated 2026-04-30 · CVE-2026-40321

Positive Technologies (AI Summary)

CVSS v3.1

8.0

High

Base vector

AV:N/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions DNN versions prior to 10.2.2

Description A user can upload a specially crafted SVG file containing scripts that target both authenticated and unauthenticated users. The impact is higher if the scripts are executed by a power user.

Recommendations Update to version 10.2.2.

Fix

Weakness Enumeration

CWE-87

Related Identifiers

CVE-2026-40321

GHSA-FFQ7-898W-9JC4

Affected Products

Dnn

References · 9

• https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-ffq7-898w-9jc4 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-ffq7-898w-9jc4 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-40321 · Security Note
• https://github.com/dnnsoftware/Dnn.Platform · Note
• https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2 · Note
• https://twitter.com/CVEnew/status/2045467383431639354 · Twitter Post
• https://i.redd.it/o16mtazlnjwg1.png · Reddit Post
• https://19718068.fs1.hubspotusercontent-na1.net/hubfs/19718068/Offensive%20Security%20Research%20Hub/PTT-2026-001%20-%20Stored%20Cross-Site%20Scripting%20via%20SVG.pdf · Reddit Post
• https://twitter.com/NeuralNewscast/status/2049858898593550388 · Twitter Post