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Vulnerability details: VCID-kwns-m3j3-8kb7
Vulnerability ID VCID-kwns-m3j3-8kb7
Aliases CVE-2026-40305
GHSA-fpj4-9qhx-5m6m
Summary DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. Starting in version 6.0.0 and prior to version 10.2.2, in the friends feature, a user could craft a request that would force the acceptance of a friend request on another user. Version 10.2.2 patches the issue.
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-285 Improper Authorization
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 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-40305
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-40305
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-40305
epss 0.00034 https://api.first.org/data/v1/epss?cve=CVE-2026-40305
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-fpj4-9qhx-5m6m
cvssv3.1 4.3 https://github.com/dnnsoftware/Dnn.Platform
generic_textual MODERATE https://github.com/dnnsoftware/Dnn.Platform
cvssv3.1 4.3 https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2
generic_textual MODERATE https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2
ssvc Track https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2
cvssv3.1 4.3 https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
cvssv3.1_qr MODERATE https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
generic_textual MODERATE https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
ssvc Track https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
cvssv3.1 4.3 https://nvd.nist.gov/vuln/detail/CVE-2026-40305
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2026-40305
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2026-40305
https://github.com/dnnsoftware/Dnn.Platform
https://nvd.nist.gov/vuln/detail/CVE-2026-40305
GHSA-fpj4-9qhx-5m6m https://github.com/advisories/GHSA-fpj4-9qhx-5m6m
GHSA-fpj4-9qhx-5m6m https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
v10.2.2 https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N 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:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2
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:P/P:M/B:A/M:M/D:T/2026-04-20T13:22:45Z/ Found at https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
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:P/P:M/B:A/M:M/D:T/2026-04-20T13:22:45Z/ Found at https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m
Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2026-40305
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 0.10514
EPSS Score 0.00034
Published At June 11, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-11T16:53:13.245301+00:00 Vulnrichment Import https://github.com/cisagov/vulnrichment/blob/develop/2026/40xxx/CVE-2026-40305.json 38.6.0