# CVE-2013-4649: DotNetNuke (DNN) Cross-site scripting (XSS) vulnerability via the __dnnVariable parameter

Source: https://junglewise.ai/threats/cve-2013-4649-dotnetnuke-dnn-cross-site-scripting-xss-vulnerability-via-the  
Publisher: Junglewise Threat Intelligence, https://junglewise.ai/threats  
Published: 2022-05-17  
License: CC BY 4.0 with a link back

CVE-2013-4649 · Severity: info · Published 2022-05-17

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

Technologies: [DotNetNuke.Core (NuGet)](https://junglewise.ai/threats/technologies/dotnetnuke-core). Vendors: [NuGet](https://junglewise.ai/threats/vendors/nuget).

## Quick answers

**Is CVE-2013-4649 exploited in the wild?** No. Junglewise Threat Intelligence has no report of CVE-2013-4649 being exploited in the wild.

**How severe is CVE-2013-4649?** Informational severity, published 17 May 2022.

**Which products and versions are affected?** DotNetNuke.Core (NuGet) ECOSYSTEM:introduced=0,fixed=6.2.9.

**Is there a fix for CVE-2013-4649?** Yes. DotNetNuke.Core (NuGet): upgrade to 6.2.9 or later. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.

**Am I affected by CVE-2013-4649?** Check whether you run DotNetNuke.Core (NuGet) at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

## How to fix

- DotNetNuke.Core (NuGet): upgrade to 6.2.9 or later

  ```sh
  dotnet add package DotNetNuke.Core --version 6.2.9
  ```


## Affected products

- DotNetNuke.Core (NuGet) ECOSYSTEM:introduced=0,fixed=6.2.9

## Identifiers

- CVE-2013-4649
- GHSA-rvrj-j7cc-236p

## Related threats

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- [DNN: Same HostGUID for all new installs](https://junglewise.ai/threats/cve-2026-40306-dnn-same-hostguid-for-all-new-installs)
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- [DotNetNuke.Core Vulnerable to Stored XSS via Module Title](https://junglewise.ai/threats/cve-2026-24838-dotnetnuke-core-vulnerable-to-stored-xss-via-module-title)