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Fencer Vulns
medium 6.1

CVE-2019-12562 json

Stored Cross-Site Scripting vulnerability in admin component of DotNetNuke

published 2019-09-26 7 y ago modified 2026-06-17 4 mo ago also GHSA-5whq-j5qg-wjvp , EUVD-2019-0729

cvss
6.1
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
6.2%
EPSS 6.2% chance of exploitation in 30 days, percentile 93%
public exploits
1
Exploit-DB

Summary

Stored Cross-Site Scripting in DotNetNuke (DNN) Version before 9.4.0 allows remote attackers to store and embed the malicious script into the admin notification page. The exploit could be used to perfom any action with admin privileges such as managing content, adding users, uploading backdoors to the server, etc. Successful exploitation occurs when an admin user visits a notification page with stored cross-site scripting.

Patch / fix

  • nuget DotNetNuke.Core 9.4.0
  • dnnsoftware dotnetnuke 9.4.0

Timeline

  1. Published
  2. First public exploit (EDB-47448)

Exploit prediction

6.15% chance of exploitation in the next 30 days, higher than 93% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-47448 DotNetNuke < 9.4.0 - Cross-Site Scripting webapps, 2019-10-01
  • mayaseven.com https://mayaseven.com/cve-2019-12562-stored-cross-site-scripting-in-dotnetnuke-dnn-version-v9-3-2/ referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD 2.0 4.3 AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub 3.1 6.1 CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

ecosystem package affected fixed in
nuget DotNetNuke.Core
<9.4.0
9.4.0

Classification

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

References

Sources

Fencer Vulns 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.