Multiple cross-site scripting (XSS) vulnerabilities in char_map.php in MySource Matrix 3.28.3 allow remote attackers to inject arbitrary web script or HTML via the (1) height or (2) width parameter.
Conclusion & alert: CVE-2010-4901 is rated High Exploit Risk (65/100): CVSS Medium severity, with high exploitation likelihood (EPSS 5.90%, 90th percentile). Core evidence: 1 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.11% 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 |
|---|---|---|---|---|
| 34609 | exploit_db | edb | 2010-09-06 | 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 | 2026-02-28 | 4.79% | 5.90% | +1.11% |
| 2 | 2026-01-25 | 4.96% | 4.79% | -0.17% |
| 3 | 2025-11-12 | — | 4.96% | — |
Full EPSS history (11 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] |
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| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| squiz | mysource_matrix | 3.28.3 | cpe:2.3:a:squiz:mysource_matrix:3.28.3:*:*:*:*:*:*:* |