An issue was discovered in Repute ARForms 3.5.1 and prior. An attacker is able to delete any file on the server with web server privileges by sending a malicious request to admin-ajax.php.
Conclusion & alert: CVE-2018-15818 is rated High Exploit Risk (73.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 2.05%). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.31% 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 | 0.74% | 2.05% | +1.31% |
| 2 | 2026-02-15 | 0.85% | 0.74% | -0.11% |
| 3 | 2025-03-30 | — | 0.85% | — |
Full EPSS history (13 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] |
| 6.4 | 2.0 | MEDIUM |
|
10.0 | 4.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| reputeinfosystems | repute_arforms | <= 3.5.1 | cpe:2.3:a:reputeinfosystems:repute_arforms:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/149981/WordPress-Arforms-3.5.1-Arbitrary-File-Delete.html | Exploit Third Party Advisory VDB Entry |
| https://wpvulndb.com/vulnerabilities/9139 | Third Party Advisory |