CVE-2026-47171

Quest Bot: Reminder messages allow stored mass mentions through `@everyone` and `@here`

Published Jun 11, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
Description
Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.3, a normal user can create a reminder whose message contains @everyone or @here. When the reminder triggers, the bot sends the stored message back into the channel without suppressing mass mentions. If the bot has permission to mention everyone, the reminder can ping the entire server or channel later. This issue has been patched in version 1.0.3.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
First Time appeared Duck-organization
Duck-organization quest-bot
Vendors & Products Duck-organization
Duck-organization quest-bot
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description Quest Bot is an opensource modern Discord Bot built for moderation, utilities and support. Prior to version 1.0.3, a normal user can create a reminder whose message contains @everyone or @here. When the reminder triggers, the bot sends the stored message back into the channel without suppressing mass mentions. If the bot has permission to mention everyone, the reminder can ping the entire server or channel later. This issue has been patched in version 1.0.3.
Title Quest Bot: Reminder messages allow stored mass mentions through `@everyone` and `@here`
Weaknesses CWE-116
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Jun 11, 2026, 6:59 PM
Reserved
May 18, 2026, 9:25 PM
Status
Deferred
Published
Jun 11, 2026, 7:16 PM
Modified
Oct 26, 2026, 11:10 AM