The Plainview Activity Monitor plugin before 20180826 for WordPress is vulnerable to OS command injection via shell metacharacters in the ip parameter of a wp-admin/admin.php?page=plainview_activity_monitor&tab=activity_tools request.
Conclusion & alert: CVE-2018-15877 is rated High Exploit Risk (81.7/100): CVSS High severity, with high exploitation likelihood (EPSS 76.99%, 99th percentile). Core evidence: 6 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 |
|---|---|---|---|---|
| 50110 | exploit_db | edb | 2021-07-07 | Exploit-DB ↗ |
| 45274 | exploit_db | edb | 2018-08-27 | Exploit-DB ↗ |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | nvd_ref | exploit_tag | Exploit-DB ↗ | |
| — | 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 | 80.32% | 76.99% | -3.33% |
| 2 | 2026-03-12 | 80.82% | 80.32% | -0.50% |
| 3 | 2026-02-09 | — | 80.82% | — |
Full EPSS history (38 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 8.8 | 3.1 | HIGH |
|
2.8 | 5.9 | [email protected] |
| 9.0 | 2.0 | HIGH |
|
8.0 | 10.0 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| plainview_activity_monitor_project | plainview_activity_monitor | < 20180826 | cpe:2.3:a:plainview_activity_monitor_project:plainview_activity_monitor:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| http://packetstormsecurity.com/files/155502/WordPress-Plainview-Activity-Monitor-20161228-Remote-Command-Execution.html | Exploit Third Party Advisory VDB Entry |
| http://packetstormsecurity.com/files/163425/WordPress-Plainview-Activity-Monitor-20161228-Remote-Code-Execution.html | Exploit Third Party Advisory VDB Entry |
| https://github.com/aas-n/CVE/tree/master/CVE-2018-15877 | Exploit Third Party Advisory |
| https://www.exploit-db.com/exploits/45274/ | Exploit Third Party Advisory VDB Entry |