CVE-2026-54355

🗓️ 17 Sep 2026 20:24:32Reported by GitHub_MType

cve🔗 web.nvd.nist.gov👁 42 Views🌐 WEB

Reflected XSS in MapServer 6.0-8.6.4 via unescaped HTTP_X_FORWARDED_HOST in OpenLayers output.

Reporter	Title	Published	Views	Family All 12
Cvelist	CVE-2026-54355 MapServer: Reflected XSS in OpenLayers HTML Output via `HTTP_X_FORWARDED_HOST`	17 Sep 202620:24	–	cvelist
Debian CVE	CVE-2026-54355	17 Sep 202620:24	–	debiancve
EUVD	EUVD-2026-82433	17 Sep 202620:24	–	euvd
NVD	CVE-2026-54355	17 Sep 202621:17	–	nvd
OSV	DEBIAN-CVE-2026-54355	17 Sep 202621:17	–	osv
OSV	UBUNTU-CVE-2026-54355	17 Sep 202621:17	–	osv
Positive Technologies	PT-2026-95102	17 Sep 202600:00	–	ptsecurity
Rapid7 Vulnerability Database (full)	CVE-2026-54355: Improper Neutralization of Input During Web Page Generation	17 Sep 202600:00	–	rapid7
RedhatCVE	CVE-2026-54355	23 Sep 202609:01	–	redhatcve
UbuntuCve	CVE-2026-54355	17 Sep 202621:17	–	ubuntucve

Vulners

Node

osgeo mapserverRange6.0–8.6.4

[
  {
    "vendor": "MapServer",
    "product": "MapServer",
    "versions": [
      {
        "version": ">= 6.0, < 8.6.4",
        "status": "affected"
      }
    ]
  }
]

Source	Link
github	www.github.com/MapServer/MapServer/security/advisories/GHSA-xqj6-vjqr-33vv
github	www.github.com/MapServer/MapServer/commit/edc1033c7963fcffd160d85cf430f49aaf4a1374
github	www.github.com/MapServer/MapServer/pull/7518
github	www.github.com/MapServer/MapServer/commit/ff17ef190caaeaa9002ac3d1c7969ec5315c345e
mapserver	www.mapserver.org/development/changelog/changelog-8-6.html
github	www.github.com/MapServer/MapServer/releases/tag/rel-8-6-4
github	www.github.com/MapServer/MapServer/pull/7517

Parameter	Position	Path	Description	CWE
X-Forwarded-Host	header	SERVICE=WMS&REQUEST=GetMap&FORMAT=application/openlayers	Attacker-controlled X-Forwarded-Host reflected in the MapServer OpenLayers HTML output leading to XSS in the victim's context.	CWE-79

30 Sep 2026 17:23Current

5.9Medium risk

Vulners AI Score5.9

CVSS 45.3

EPSS0.005

SSVC

CWE-79