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Vulnerability details: VCID-y61z-d6sj-qucc
Vulnerability ID VCID-y61z-d6sj-qucc
Aliases CVE-2025-59821
GHSA-jc4g-c8ww-5738
Summary DNN vulnerable to Reflected Cross-Site Scripting (XSS) using url to profile A reflected cross-site scripting (XSS) vulnerability exists under certain conditions, using a specially crafter url to view a user profile
Status Published
Exploitability 0.5
Weighted Severity 6.2
Risk 3.1
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 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2025-59821
epss 0.00031 https://api.first.org/data/v1/epss?cve=CVE-2025-59821
cvssv3.1_qr MODERATE https://github.com/advisories/GHSA-jc4g-c8ww-5738
cvssv3.1 6.5 https://github.com/dnnsoftware/Dnn.Platform
generic_textual MODERATE https://github.com/dnnsoftware/Dnn.Platform
cvssv3.1 6.5 https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
cvssv3.1_qr MODERATE https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
generic_textual MODERATE https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
ssvc Track https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
cvssv3.1 6.5 https://nvd.nist.gov/vuln/detail/CVE-2025-59821
generic_textual MODERATE https://nvd.nist.gov/vuln/detail/CVE-2025-59821
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2025-59821
https://github.com/dnnsoftware/Dnn.Platform
CVE-2025-59821 https://nvd.nist.gov/vuln/detail/CVE-2025-59821
GHSA-jc4g-c8ww-5738 https://github.com/advisories/GHSA-jc4g-c8ww-5738
GHSA-jc4g-c8ww-5738 https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
No exploits are available.
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/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:N/UI:R/S:U/C:H/I:N/A:N Found at https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
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/2025-09-23T18:29:53Z/ Found at https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-jc4g-c8ww-5738
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N Found at https://nvd.nist.gov/vuln/detail/CVE-2025-59821
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 0.09399
EPSS Score 0.00031
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-02T04:47:56.536374+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/nuget/DotNetNuke.Core/CVE-2025-59821.yml 38.6.0