The Multi-Scheduler plugin 1.0.0 for WordPress has a Cross-Site Request Forgery (CSRF) vulnerability in the forms it presents, allowing the possibility of deleting records (users) when an ID is known.
Conclusion & alert: CVE-2020-13426 is rated High Exploit Risk (64.1/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.19%). Core evidence: 5 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 ↗ | |
| — | 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 | 0.44% | 1.19% | +0.75% |
| 2 | 2025-11-21 | 0.31% | 0.44% | +0.13% |
| 3 | 2025-11-18 | — | 0.31% | — |
Full EPSS history (20 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.5 | 3.1 | MEDIUM |
|
2.8 | 3.6 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| bdtask | multi-scheduler | 1.0.0 | cpe:2.3:a:bdtask:multi-scheduler:1.0.0:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://0day.today/exploit/34496 | Broken Link |
| https://cxsecurity.com/issue/WLB-2020050235 | Exploit Third Party Advisory |
| https://infayer.com/archivos/448 | Exploit Third Party Advisory |
| https://packetstormsecurity.com/files/157867/WordPress-Multi-Scheduler-1.0.0-Cross-Site-Request-Forgery.html | Exploit Third Party Advisory VDB Entry |
| https://research-labs.net/search/exploits/wordpress-plugin-multi-scheduler-100-cross-site-request-forgery-delete-user | Exploit Third Party Advisory |
| https://twitter.com/UnD3sc0n0c1d0 | Third Party Advisory |
| https://wordpress.org/plugins/multi-scheduler/#developers | Product Third Party Advisory |
| https://www.exploit-db.com/exploits/48532 | Exploit Third Party Advisory VDB Entry |