madskristensen Miniblog.Core through 2019-01-16 allows remote attackers to execute…
Priority MEDIUM 47CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub.
Summary
madskristensen Miniblog.Core through 2019-01-16 allows remote attackers to execute arbitrary ASPX code via an IMG element with a data: URL, because SaveFilesToDisk in Controllers/BlogController.cs writes a decoded base64 string to a file without validating the extension.
Why it matters now
EPSS 0.02527 84th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | MadsKristensen.AspNetCore.Miniblog (NuGet) | up to 1.0.3 | — | No fix listed | GHSA-958r-g534-ccmr |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- MadsKristensen.AspNetCore.Miniblog (NuGet) Vendor— Affected up to 1.0.3 Fixed in — No fix listed GHSA-958r-g534-ccmr
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:miniblog.core_project:miniblog.core:*:*:*:*:*:*:*:* | up to 2019-01-16 | Vulnerable | Miniblog.core Project |
- cpe:2.3:a:miniblog.core_project:miniblog.core:*:*:*:*:*:*:*:* Versions up to 2019-01-16 Vulnerable ·Miniblog.core Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2019-9845
- 2026-10-03 Alias added: GHSA-958r-g534-ccmr
References
Advisory 3
More Miniblog.core Project Miniblog.core vulnerabilities
- TI-2022-17528 Miniblog.Core v1.0 was discovered to contain a cross-site scripting (XSS) vulnerability… CVSS 3.1MEDIUM 4.8
Sources
- CVE-2019-9845 · CVE Program
- CVE-2019-9845 · NVD
- FIRST EPSS
- GHSA-958r-g534-ccmr · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences