The Smush Image Compression and Optimization plugin before 2.7.6 for WordPress allows directory traversal.
Conclusion & alert: CVE-2017-15079 is rated Moderate Risk (60.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.51%). Core evidence: EPSS rose +1.57% over the last day, indicating growing attacker interest. Mandatory action: Review affected assets and schedule remediation.
Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.
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 | 0.94% | 2.51% | +1.57% |
| 2 | 2026-03-04 | 0.56% | 0.94% | +0.37% |
| 3 | 2026-03-01 | — | 0.56% | — |
Full EPSS history (45 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.5 | 3.0 | HIGH |
|
3.9 | 3.6 | [email protected] |
| 5.0 | 2.0 | MEDIUM |
|
10.0 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wpmudev | smush_image_compression_and_optimization | <= 2.7.5 | cpe:2.3:a:wpmudev:smush_image_compression_and_optimization:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://wordpress.org/plugins/wp-smushit/#developers | Issue Tracking Product Release Notes Third Party Advisory |
| https://wordpress.org/support/topic/file-transversal-bug/ | Issue Tracking Third Party Advisory |