The broken-link-manager plugin before 0.6.0 for WordPress has XSS via the HTTP Referer or User-Agent header to a URL that does not exist.
Conclusion & alert: CVE-2015-9453 is rated High Exploit Risk (65.7/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 1.54%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.21% 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 ↗ | |
| — | 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 | 0.33% | 1.54% | +1.21% |
| 2 | 2025-03-30 | 4.68% | 0.33% | -4.35% |
| 3 | 2025-03-29 | — | 4.68% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 6.1 | 3.1 | MEDIUM |
|
2.8 | 2.7 | [email protected] |
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| k-78 | broken_link_manager | < 0.6.0 | cpe:2.3:a:k-78:broken_link_manager:*:*:*:*:*:wordpress:*:* |
| URL | Tags |
|---|---|
| http://cinu.pl/research/wp-plugins/mail_b677bb83a6c1495f85f76faa5b13011d.html | Exploit Third Party Advisory |
| https://wordpress.org/plugins/broken-link-manager/#developers | Product Release Notes |
| https://wpvulndb.com/vulnerabilities/8333 | Exploit Third Party Advisory |