Cross-site scripting (XSS) vulnerability in the save_order function in class-floating-social-bar.php in the Floating Social Bar plugin before 1.1.6 for WordPress allows remote attackers to inject arbitrary web script or HTML via the items[] parameter in an fsb_save_order action to wp-admin/admin-ajax.php.
Conclusion & alert: CVE-2015-5528 is rated High Exploit Risk (61.4/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 2.07%). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.57% 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 | 0.50% | 2.07% | +1.57% |
| 2 | 2025-03-30 | 5.92% | 0.50% | -5.42% |
| 3 | 2025-03-29 | — | 5.92% | — |
Full EPSS history (9 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 4.3 | 2.0 | MEDIUM |
|
8.6 | 2.9 | [email protected] |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| wpbeginner | floating_social_bar | <= 1.1.5 | cpe:2.3:a:wpbeginner:floating_social_bar:*:*:*:*:wordpress:*:*:* |