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Fencer Intel
medium 4.3

CVE-2013-4649 json

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

published 12y ago modified 4mo ago also GHSA-rvrj-j7cc-236p , EUVD-2022-5239

cvss
4.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.5%
EPSS 2.5% chance of exploitation in 30 days, percentile 84%
public exploits
0
none known

Summary

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.

Patch / fix

  • nuget DotNetNuke.Core 6.2.9, 7.1.1

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Exploit prediction

2.47% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

  • packetstormsecurity.com http://packetstormsecurity.com/files/122792/DotNetNuke-DNN-7.1.0-6.2.8-Cross-Site-Scripting.html referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N

Affected packages

ecosystem package affected fixed in
nuget DotNetNuke.Core
<6.2.9
>=7.0, <7.1.1
6.2.9
7.1.1

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.