An issue was discovered in server.js in TileServer GL through 3.0.0.
Priority MEDIUM 41CWE-79Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- Low · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-79.
Summary
An issue was discovered in server.js in TileServer GL through 3.0.0. The content of the key GET parameter is reflected unsanitized in an HTTP response for the application's main page, causing reflected XSS.
Why it matters now
EPSS 0.12224 96th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD
Fix Fixed tileserver-gl (npm): 3.1.0
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | tileserver-gl (npm) | before 3.1.0 | 3.1.0 | Patch available | GHSA-3fr8-mwpp-8h9p |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- tileserver-gl (npm) Vendor— Affected before 3.1.0 Fixed in 3.1.0 Patch available GHSA-3fr8-mwpp-8h9p
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tileserver:tileservergl:*:*:*:*:*:*:*:* | up to 3.0.0 | Vulnerable | Tileserver |
- cpe:2.3:a:tileserver:tileservergl:*:*:*:*:*:*:*:* Versions up to 3.0.0 Vulnerable ·Tileserver
Remediation
- Fix · GHSA-3fr8-mwpp-8h9p tileserver-gl (npm) Fixed in 3.1.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-15500
- 2026-10-03 Alias added: GHSA-3fr8-mwpp-8h9p
References
Exploit 2
Sources
- CVE-2020-15500 · CVE Program
- CVE-2020-15500 · NVD
- FIRST EPSS
- GHSA-3fr8-mwpp-8h9p · GitHub Advisory Database · CC BY 4.0
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