CVE-2021-29502: Warnsystem Project Warnsystem

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

WarnSystem is a cog (plugin) for the Red discord bot. A vulnerability has been found in the code that allows any user to access sensible informations by setting up a specific template which is not properly sanitized. The problem has been patched in version 1.3.18. Users should update and type `!warnsysteminfo` to check that their version is 1.3.18 or above. As a workaround users may unload the WarnSystem cog or disable the `!warnset description` command globally.

Affected products

Published 2021-05-10. Last modified 2026-06-17.