CVE-2021-45887: Ponton X/p Messenger

Critical severity, CVSS 9.8. EPSS: 3.5% chance of exploitation in the next 30 days.

An issue was discovered in PONTON X/P Messenger before 3.11.2. Due to path traversal in private/SchemaSetUpload.do for uploaded ZIP files, an executable script can be uploaded by web application administrators, giving the attacker remote code execution on the underlying server via an imgs/*.jsp URI.

Affected products

• Ponton X/p Messenger: version 3.8.0 only; version 3.10.0 only

Published 2022-03-13. Last modified 2026-06-17.