GHSA-76qm-4f93-fg6f · Severity: high · Ecosystem: npm — Improper Input Validation in xdLocalStorage
An issue was discovered in xdLocalStorage through 2.0.5. The receiveMessage() function in xdLocalStorage.js does not implement any validation of the origin of web messages. Remote attackers who can entice a user to load a malicious site can exploit this issue to impact the confidentiality and integrity of data in the local storage of the vulnerable site via malicious web messages.
Conclusion & alert: CVE-2015-9545 is rated High Exploit Risk (67.8/100): CVSS High severity, with medium exploitation likelihood (EPSS 1.33%). 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 | 2026-06-15 | 0.45% | 1.33% | +0.88% |
| 2 | 2025-03-30 | 0.68% | 0.45% | -0.23% |
| 3 | 2025-03-29 | — | 0.68% | — |
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 |
|
1.8 | 5.2 | [email protected] |
| 5.8 | 2.0 | MEDIUM |
|
8.6 | 4.9 | [email protected] |
GHSA-76qm-4f93-fg6f · Severity: high · Ecosystem: npm — Improper Input Validation in xdLocalStorage
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| cross_domain_local_storage_project | cross_domain_local_storage | <= 2.0.5 | cpe:2.3:a:cross_domain_local_storage_project:cross_domain_local_storage:*:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/ofirdagan/cross-domain-local-storage | Product Third Party Advisory |
| https://github.com/ofirdagan/cross-domain-local-storage/issues/17 | Patch Third Party Advisory |
| https://github.com/ofirdagan/cross-domain-local-storage/pull/19 | Patch Third Party Advisory |
| https://grimhacker.com/exploiting-xdlocalstorage-localstorage-and-postmessage/#Missing-Origin-Client | Exploit Third Party Advisory |