CVE-2025-52486: dnnsoftware Dnn.Platform · Cross-site Scripting
Affects dnnsoftware Dnn.PlatformSource CVE Database V5
Not known to be exploited · CVSS 6.1 Medium : upgrade to 10.0.1 when convenient.
Data as of 26 Oct 2026, 17:16 UTC
- EPSS
- 0.2% chance of exploitation in 30 days – higher than 13% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
- Patch
- Available – fixed in 10.0.1
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:H/SI:N/SA:NExploitation evidence
Disclosed: evidence found.
CVE published 21 Jun 2025
Detectable: no evidence on record.
No public nuclei template indexed
Weaponised: no evidence on record.
No public exploit code indexed in Metasploit or Exploit-DB
Exploited in the wildExploited: no evidence on record.
Not in CISA KEV and no source reports exploitation
Observed by OffSeq MirageSeen by Mirage: no evidence on record.
No attack traffic recorded by OffSeq Mirage sensors
A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 26 Oct 2026.
What to do
Upgrade dnnsoftware/Dnn.Platform to 10.0.1.
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubdnnsoftware/Dnn.Platformpkg:github/dnnsoftware/Dnn.PlatformOther threats | Affected
| Fixed in
|
Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.
AI-suggested
- Immediate upgrade to Dnn.Platform version 10.0.1 or later, where the vulnerability is patched, is the most effective mitigation.
- Implement Web Application Firewall (WAF) rules specifically targeting suspicious URL patterns and script injection attempts related to TokenReplace and SkinObjects usage.
- Conduct a thorough audit of all Dnn.Platform instances to identify versions in use and prioritize patching accordingly.
- Educate users about the risks of clicking on unsolicited or suspicious links, especially those that appear to come from internal or trusted sources.
- Employ Content Security Policy (CSP) headers to restrict the execution of unauthorized scripts and reduce the impact of XSS attacks.
- Review and harden the configuration of SkinObjects and TokenReplace features to minimize exposure to untrusted input.
- Monitor logs for unusual URL access patterns or repeated attempts to exploit URL parameters.
- For organizations unable to immediately upgrade, consider disabling or restricting the use of TokenReplace in URLs or limiting the use of vulnerable SkinObjects as a temporary workaround.
Description
DNN (formerly DotNetNuke) is an open-source web content management platform (CMS) in the Microsoft ecosystem. In versions 6.0.0 to before 10.0.1, DNN.PLATFORM allows specially crafted content in URLs to be used with TokenReplace and not be properly sanitized by some SkinObjects. This issue has been patched in version 10.0.1.