CVE-2020-29133: Coremail Xt Project Coremail Xt

Medium severity, CVSS 6.1. EPSS: 1.1% chance of exploitation in the next 30 days.

jsp/upload.jsp in Coremail XT 5.0 allows XSS via an uploaded personal signature, as demonstrated by a .jpg.html filename in the signImgFile parameter.

Affected products

• Coremail Xt Project Coremail Xt: version 5.0 only

Published 2020-11-27. Last modified 2026-06-17.