MapTiler Tileserver-php v2.0 is vulnerable to Cross Site Scripting (XSS). The GET parameter "layer" is reflected in an error message without html encoding. This leads to XSS and allows an unauthenticated attacker to execute arbitrary HTML or JavaScript code on a victim's browser.
Conclusion & alert: CVE-2025-44136 is rated High Exploit Risk (88.7/100): CVSS Critical severity, with high exploitation likelihood (EPSS 13.02%, 94th percentile). Core evidence: 2 public exploit reference(s) are indexed (Exploit-DB). EPSS rose +1.58% 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 | 2026-05-04 | 11.44% | 13.02% | +1.58% |
| 2 | 2026-04-08 | 10.02% | 11.44% | +1.42% |
| 3 | 2026-01-16 | — | 10.02% | — |
Full EPSS history (12 records total)
CVSS metrics for this CVE.
| Base score | Version | Severity | Vector | Exploitability | Impact | Score source |
|---|---|---|---|---|---|---|
| 9.8 | 3.1 | CRITICAL |
|
3.9 | 5.9 | 134c704f-9b21-4f2e-91b3-4a467353bcc0 |
| Vendor | Product | Version | Raw CPE |
|---|---|---|---|
| maptiler | tileserver_php | 2.0 | cpe:2.3:a:maptiler:tileserver_php:2.0:*:*:*:*:*:*:* |
| URL | Tags |
|---|---|
| https://github.com/maptiler/tileserver-php/issues/167 | Exploit Issue Tracking |
| https://github.com/mheranco/CVE-2025-44136 | Exploit |