CVE-2020-15500
Cross-site scripting in TileServer GL
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- Low
- Integrity
- Low
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2020-15500- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - CVSS 2.0
- 4.3 Medium
AV:N/AC:M/Au:N/C:N/I:P/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2020-15500- Updated
- 2026-11-02
EUVDEUVD-2021-0919 No score
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.
- Record
EUVD-2021-0919- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-3fr8-mwpp-8h9p
Cross-site scripting in TileServer GL
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.
- Record
GHSA-3fr8-mwpp-8h9p- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
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.
- Record
CVE-2020-15500- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Updated
- 2026-11-02
OSVGHSA-3fr8-mwpp-8h9p
Cross-site scripting in TileServer GL
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.
- Record
GHSA-3fr8-mwpp-8h9p- CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
tileserver-glnpm |
through 3.0.0 | 3.1.0 |
tileserver-glnpm |
before 3.1.0 | 3.1.0 |
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | Tileserver-gl 3.0.0 - 'key' Reflected Cross-Site Scripting (XSS) | 2021-04-15 |
| Nuclei | TileServer GL <=3.0.0 - Cross-Site Scripting |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, Nuclei, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-15500 is a medium vulnerability (CVSS 6.1) in Tileserver Tileservergl, published July 1, 2020. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 12.2%, the 96th percentile. Fixed in tileserver-gl 3.1.0.
References
github.com/maptiler/tileserver-gl/issues/461
packetstormsecurity.com/files/162193/Tileserver-gl-3.0.0-Cross-Site-Scripting.html
nvd.nist.gov/vuln/detail/CVE-2020-15500