pub/sns.php in the W3 Total Cache plugin before 0.9.4 for WordPress allows remote attackers to read arbitrary files via the SubscribeURL field in SubscriptionConfirmation JSON data.
Conclusion & alert: CVE-2019-6715 is rated High Exploit Risk (74/100): CVSS High severity, with high exploitation likelihood (EPSS 19.40%, 97th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). 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 ↗ | |
| — | 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 | 91.50% | 19.40% | -72.11% |
| 2 | 2026-05-16 | 91.39% | 91.50% | +0.11% |
| 3 | 2026-04-27 | — | 91.39% | — |
Full EPSS history (30 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.1 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| boldgrid | w3_total_cache | < 0.9.4 | cpe:2.3:a:boldgrid:w3_total_cache:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/160674/WordPress-W3-Total-Cache-0.9.3-File-Read-Directory-Traversal.html | Exploit Third Party Advisory VDB Entry |
| https://vinhjaxt.github.io/2019/03/cve-2019-6715 | Exploit Third Party Advisory |