DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to version 9.13.9, a specially crafted URL may be constructed which can inject an XSS payload that is triggered by using some module actions. Version 9.13.9 fixes the issue.
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-79m3-rvx2-3qq9
https://github.com/dnnsoftware/Dnn.Platform/commit/351b166492ad4b6509c273dc83211d52238e31a7
Published: 2025-05-23
Updated: 2025-05-23
Base Score: 4.3
Vector: CVSS2#AV:N/AC:M/Au:N/C:N/I:P/A:N
Severity: Medium
Base Score: 6.1
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Severity: Medium
Base Score: 6
Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:N/VI:N/VA:N/SC:H/SI:N/SA:N
Severity: Medium
EPSS: 0.00047