Cross-site scripting in MapServer - CVE-2026-77323
Published: August 27, 2026
Vulnerability identifier: #VU146007
CSH Severity: Medium
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2026-77323
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to execute arbitrary JavaScript in the victim\'s browser under the MapServer origin.
The vulnerability exists due to cross-site scripting in the OGC API Features collection-items HTML output when rendering unescaped offset or limit query parameters inside a