The Passbeemedia Web Push Notification WordPress plugin through 1.0.0 does not sanitise and escape a parameter before outputting it back in the page, leading to a Reflected Cross-Site Scripting which could be used against high privilege users such as admin.
Conclusion & alert: CVE-2024-13877 is rated Exploit Available (51.2/100): CVSS High severity, with low exploitation likelihood (EPSS 0.07%). Core evidence: 1 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 ↗ |
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 | 2026-04-28 | 0.16% | 0.07% | -0.09% |
| 2 | 2026-04-14 | 0.05% | 0.16% | +0.11% |
| 3 | 2025-10-14 | — | 0.05% | — |
Full EPSS history (6 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 7.1 | 3.1 | HIGH |
|
2.8 | 3.7 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| sjehutch | passbeemedia_web_push_notification | 1.0 | cpe:2.3:a:sjehutch:passbeemedia_web_push_notification:1.0:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| https://wpscan.com/vulnerability/0e8ce3cf-1598-4c5d-b119-99d5f676e619/ | Exploit Third Party Advisory |