Vulnerability details
CVE-2026-6249
Vvveb CMS
Vvveb CMS 1.0.8.2 Remote Code Execution via Media Upload
CVSS 4.0
8.7High
Official description
Vvveb CMS 1.0.8.2 contains a remote code execution vulnerability in its media upload handler that allows authenticated attackers to execute arbitrary operating system commands by uploading a PHP webshell with a .phtml extension. Attackers can bypass the extension deny-list and upload malicious files to the publicly accessible media directory, then request the file over HTTP to achieve full server compromise.
CVSS scores
| Score | Version | Source | Vector |
|---|---|---|---|
| 8.7High | 4.0 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N |
| 8.8High | 3.1 | CVEProject cvelistV5 (CNA) (VulnCheck) | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Affected products
| Vendor | Product | Versions | Source |
|---|---|---|---|
| Vvveb | Vvveb CMS | 1.0.8.2 | CVEProject cvelistV5 (CNA) |
References and advisories
2
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Details
- Published
- 2026-04-20
- Last updated
- 2026-07-15
- State
- Published
- Assigner (CNA)
- VulnCheck
Exploit prediction (EPSS)
0.62%
Probability of exploitation in 30 days
50%
Percentile (among all CVEs)
SSVC assessment (CISA)
- Automatable
- No
- Exploitation
- None
- Technical impact
- Total
Weaknesses (CWE)
- CWE-434Unrestricted Upload of File with Dangerous Type