# CVE-2018-9126: CVE-2018-9126

- Exploited (CISA KEV): no
- Published: 2018-04-04
- CVSS: not scored
- EPSS: 48.9% (99th percentile)

The DNNArticle module 11 for DNN (formerly DotNetNuke) allows remote attackers to read the web.config file, and consequently discover database credentials, via the /GetCSS.ashx/?CP=%2fweb.config URI.

## Edge WAF coverage (claimed by vendors, not measured)

| Vendor | Status | First rule | Days after publication |
|---|---|---|---|
| Cloudflare | Rule off by default | 2025-04-02 | 2555 |
| AWS | Before feed history | — | — |
| Microsoft Azure | No public claim | — | — |
| Google Cloud | Before feed history | — | — |
| Fastly | Before feed history | — | — |
| F5 | Before feed history | — | — |
| Akamai | No public source | — | — |
| OWASP CRS | Before feed history | — | — |

### Cloudflare

- 2025-04-02 · new · rule e35c9a670b864a3ba0203ffb1bc977d1 · default Disabled
  > DotNetNuke - File Inclusion - CVE:CVE-2018-9126, CVE:CVE-2011-1892, CVE:CVE-2022-31474. Previous action: N/A. New action: Disabled. N/A
  Source: https://developers.cloudflare.com/changelog/post/2025-04-02-waf-release/

"No public claim" means no vendor statement names this CVE; "Before feed history" means the CVE is older than the vendor feed. In both cases generic rules may still block it.

HTML: https://cve.vigilbase.com/cve/CVE-2018-9126 · JSON: https://cve.vigilbase.com/api/v1/cves/CVE-2018-9126