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Vulnerability details: VCID-fyxq-vtfm-s3ec
Vulnerability ID VCID-fyxq-vtfm-s3ec
Aliases CVE-2026-24838
GHSA-w9pf-h6m6-v89h
Summary DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Prior to versions 9.13.10 and 10.2.0, module title supports richtext which could include scripts that would execute in certain scenarios. Versions 9.13.10 and 10.2.0 contain a fix for the issue.
Status Published
Exploitability 0.5
Weighted Severity 9.0
Risk 4.5
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 0.00055 https://api.first.org/data/v1/epss?cve=CVE-2026-24838
epss 0.00055 https://api.first.org/data/v1/epss?cve=CVE-2026-24838
epss 0.00055 https://api.first.org/data/v1/epss?cve=CVE-2026-24838
cvssv3.1_qr CRITICAL https://github.com/advisories/GHSA-w9pf-h6m6-v89h
cvssv3.1 9.1 https://github.com/dnnsoftware/Dnn.Platform
generic_textual CRITICAL https://github.com/dnnsoftware/Dnn.Platform
cvssv3.1 9.1 https://github.com/dnnsoftware/Dnn.Platform/commit/4a4bcbcdf3cedbf702816f8168c4d51bf688f7f6
generic_textual CRITICAL https://github.com/dnnsoftware/Dnn.Platform/commit/4a4bcbcdf3cedbf702816f8168c4d51bf688f7f6
cvssv3.1 9.1 https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.0
generic_textual CRITICAL https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.0
cvssv3.1 9.1 https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
cvssv3.1_qr CRITICAL https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
generic_textual CRITICAL https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
ssvc Track https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
cvssv3.1 9.1 https://nvd.nist.gov/vuln/detail/CVE-2026-24838
generic_textual CRITICAL https://nvd.nist.gov/vuln/detail/CVE-2026-24838
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-24838
https://github.com/dnnsoftware/Dnn.Platform
https://github.com/dnnsoftware/Dnn.Platform/commit/4a4bcbcdf3cedbf702816f8168c4d51bf688f7f6
https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.0
CVE-2026-24838 https://nvd.nist.gov/vuln/detail/CVE-2026-24838
GHSA-w9pf-h6m6-v89h https://github.com/advisories/GHSA-w9pf-h6m6-v89h
GHSA-w9pf-h6m6-v89h https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/dnnsoftware/Dnn.Platform
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/dnnsoftware/Dnn.Platform/commit/4a4bcbcdf3cedbf702816f8168c4d51bf688f7f6
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.0
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Vector: SSVCv2/E:N/A:N/T:T/P:M/B:A/M:M/D:T/2026-01-28T15:03:11Z/ Found at https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-w9pf-h6m6-v89h
Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2026-24838
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.17479
EPSS Score 0.00055
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:52:28.325203+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/24xxx/CVE-2026-24838.json 38.6.0