The ACF-Frontend-Display plugin through 2015-07-03 for WordPress has arbitrary file upload via an action=upload request to js/blueimp-jQuery-File-Upload-d45deb1/server/php/index.php.
Conclusion & alert: CVE-2015-9479 is rated High Exploit Risk (85.8/100): CVSS Critical severity, with medium exploitation likelihood (EPSS 2.77%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +2.01% over the last day, indicating growing attacker interest. Mandatory action: Public exploits are available—assess exposure, apply mitigations, and prioritize patching.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
| EDB-ID | Source | Kind | Published | Link |
|---|---|---|---|---|
| — | nvd_ref | exploit_tag | Exploit-DB ↗ |
EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).
| # | Date | Old EPSS score | New EPSS score | Delta (New - Old) |
|---|---|---|---|---|
| 1 | 2026-06-15 | 0.76% | 2.77% | +2.01% |
| 2 | 2025-03-30 | 26.74% | 0.76% | -25.98% |
| 3 | 2025-03-29 | — | 26.74% | — |
Full EPSS history (11 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | [email protected] |
| 7.5 | 2.0 | HIGH |
|
10.0 | 6.4 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| advancedcustomfields | acf_fronted_display | <= 2015-07-03 | cpe:2.3:a:advancedcustomfields:acf_fronted_display:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://packetstormsecurity.com/files/132590/ | Exploit Third Party Advisory VDB Entry |