HOMEVULNERABILITIESCVE-2026-40305
MEDIUM

CVE-2026-40305

CWE-285Published: April 17, 2026· Updated: Apr 24, 2026

4.3
CVSS v3.1
EPSS:0.03%probability of exploitation in 30 daysPercentile:7.0th

Official Description

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.

NVD Source

Technical Analysis

CVE-2026-40305 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

Exploitation requires low privileges, which limits the exposure to scenarios where an attacker has already gained initial access.

CVSS v3.1 Vector Breakdown

Exploitability
Attack VectorNetwork
Attack ComplexityLow
Privileges Req.Low
User InteractionNone
ScopeUnchanged
Impact
ConfidentialityLow
IntegrityNone
AvailabilityNone
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Affected Vendors & Products

dnnsoftware1 product
dotnetnuke
Source: NVD CPE · 1 total CPE entries

Exploit & PoC Resources

NO KNOWN EXPLOITNo public exploit confirmed at this time
Exploit-DB
Offensive Security exploit database
GitHub PoC Search
Community PoC repositories
Rapid7 / Metasploit
Metasploit module search
PacketStorm
Security advisories & exploits
NVD Detail
Official NIST entry
MITRE CVE
CVE Program entry
External links open in a new tab. Always verify in a controlled environment before use.

Official Patches & Advisories

ADVISORYhttps://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6m

All References (2)

→
https://github.com/dnnsoftware/Dnn.Platform/releases/tag/v10.2.2Release Notes
→
https://github.com/dnnsoftware/Dnn.Platform/security/advisories/GHSA-fpj4-9qhx-5m6mVendor Advisory

Quick Facts

CVE IDCVE-2026-40305
CVSS Score4.3 / 10
SeverityMEDIUM
WeaknessCWE-285
CISA KEVNo
EPSS (30d)0.03%
Affected1 vendor
PublishedApr 17, 2026

Related CVEs (CWE-285)

CVE-2026-5412
9.9
CVE-2026-30956
9.9
CVE-2026-32213
9.8
CVE-2026-10580
9.8
CVE-2026-33105
9.8
CVE-2026-33950
9.4

Recommended Actions

  • →Apply vendor patches immediately
  • →Monitor CVE-2026-40305 in threat intel feeds
  • →Review IDS/IPS signatures for exploitation attempts
Data sourced from NVD (NIST), CISA KEV, and EPSS (FIRST). Analysis generated by CTIWATCH.COM. CVE data is provided under the NVD usage policy.
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