MapProxy version 1.11.1 and older are vulnerable to cross-site scripting in the demo service resulting in possible information disclosure. An incomplete fix was released in v1.10.4, and a complete fix was released in v1.11.1.
// cvss v3.1 vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None
Checked 2026-10-23 at 18:53 UTC. The most recent advisory here was published 2022-05-13. Updated continuously from NVD, GHSA, OSV and CNA feeds.