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TI-2020-12204 Aliases CVE-2020-15500GHSA-3fr8-mwpp-8h9p

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
—tileserver-gl (npm)before 3.1.03.1.0Patch availableGHSA-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

CPEVersionsRoleVendor
cpe:2.3:a:tileserver:tileservergl:*:*:*:*:*:*:*:*up to 3.0.0VulnerableTileserver
  • 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

  1. 2026-10-02 Threatist record created from CVE-2020-15500
  2. 2026-10-03 Alias added: GHSA-3fr8-mwpp-8h9p

References

Sources