There is an XSS vulnerability in WP All Import plugin 3.4.9 for WordPress via action=options. NOTE: The vendor states that this is not a vulnerability. WP All Import is only able to be used by a logged in administrator, and the action described can only be taken advantage of by a logged in administrator
Conclusion & alert: CVE-2018-16254 is rated Moderate Risk (43.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.33%). 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 | 2025-11-21 | 0.24% | 0.33% | +0.09% |
| 2 | 2025-11-18 | 0.33% | 0.24% | -0.09% |
| 3 | 2025-07-01 | — | 0.33% | — |
Full EPSS history (7 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.0 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| soflyy | wp_all_import | 3.4.9 | cpe:2.3:a:soflyy:wp_all_import:3.4.9:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://ansawaf.blogspot.com/2019/04/xss-in-import-any-xml-or-csv-file-for.html | Third Party Advisory |
| https://docs.google.com/document/d/1Lfk0YQMIhlMCOOvVRX8HkU6C50s9QSW7C-9gnNmzsHY/edit?usp=sharing | Permissions Required Third Party Advisory |