CVE-2013-4649

DotNetNuke (DNN) Cross-site scripting (XSS) vulnerability via the __dnnVariable parameter

4.3 MediumFix available

Cross-site scripting (XSS) vulnerability in DotNetNuke (DNN) before 6.2.9 and 7.x before 7.1.1 allows remote attackers to inject arbitrary web script or HTML via the __dnnVariable parameter to the default URI.

Exploit likelihood

2.47%Up 1.3 points since Feb 4, 2022

What each source reports

NVD Score used 4.3

Record: CVE-2013-4649
CVSS 2.0: 4.3 MediumAV:N/AC:M/Au:N/C:N/I:P/A:N
Weakness: CWE-79
Updated: 2026-11-02

CVE List No score

Record: CVE-2013-4649
Updated: 2026-11-02

EUVDEUVD-2022-5239 No score

Record: EUVD-2022-5239
Updated: 2026-11-03

GitHub AdvisoriesGHSA-rvrj-j7cc-236p No score

DotNetNuke (DNN) Cross-site scripting (XSS) vulnerability via the __dnnVariable parameter

Record: GHSA-rvrj-j7cc-236p
Weakness: CWE-79
Updated: 2026-11-02

OSVGHSA-rvrj-j7cc-236p No score

DotNetNuke (DNN) Cross-site scripting (XSS) vulnerability via the __dnnVariable parameter

Record: GHSA-rvrj-j7cc-236p
Weakness: CWE-79
Updated: 2026-11-02

Affected products

dnnsoftware dotnetnuke

Affected packages

Affected packages
Package	Affected	Fixed
`DotNetNuke.Core` NuGet	before 6.2.9	6.2.9
`DotNetNuke.Core` NuGet	7.0 up to 7.1.1	7.1.1
`DotNetNuke.Core` NuGet	before 6.2.9, plus listed versions 6.0.0	6.2.9
`DotNetNuke.Core` NuGet	7.0 up to 7.1.1, plus listed versions 7.0.07.0.6.1217.1.0	7.1.1

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2013-4649 is a medium vulnerability (CVSS 4.3) in Dnnsoftware Dotnetnuke, published March 12, 2014. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.47%, the 84th percentile. Fixed in DotNetNuke.Core 6.2.9.