CVE-2025-51511: cadmium-cms · n/a
Affects cadmium-cmsSource CVE Database V5
Not known to be exploited · CVSS 9.8 Critical.
Data as of 25 Oct 2026, 19:02 UTC
- EPSS
- 0.3% chance of exploitation in 30 days – higher than 31% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HExploitation evidence
Disclosed: evidence found.
CVE published 23 Dec 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 2026-10-25.
What to do
Affected software
| Product | Affected | Fixed in |
|---|---|---|
GitHubcadmium-org/cadmium-cmspkg:github/cadmium-org/cadmium-cmsOther 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
To mitigate this vulnerability, European organizations should immediately audit their Cadmium CMS installations to identify affected versions, particularly version 0.4.9. Restrict access to the /admin/content/filemanager/uploads endpoint using network segmentation, IP whitelisting, or VPNs to limit exposure. Implement strict file upload validation, including file type checks, size limits, and content scanning to prevent malicious payloads. Employ web application firewalls (WAFs) with custom rules to detect and block suspicious upload attempts. Monitor server logs and file system changes for unusual activity indicative of exploitation attempts. Until an official patch is released, consider disabling the file upload functionality if feasible or replacing it with a secure alternative. Conduct regular backups and ensure recovery procedures are tested to minimize damage from potential compromises. Educate administrators on secure CMS management practices and enforce strong authentication mechanisms, including multi-factor authentication, to reduce the risk of unauthorized access to the administrative interface.
Description
Cadmium CMS v.0.4.9 has a background arbitrary file upload vulnerability in /admin/content/filemanager/uploads.