Medium severity5.3NVD Advisory· Published Apr 11, 2022· Updated Jun 17, 2026
CVE-2022-24838
CVE-2022-24838
Description
Nextcloud Calendar is a calendar application for the nextcloud framework. SMTP Command Injection in Appointment Emails via Newlines: as newlines and special characters are not sanitized in the email value in the JSON request, a malicious attacker can inject newlines to break out of the RCPT TO: SMTP command and begin injecting arbitrary SMTP commands. It is recommended that Calendar is upgraded to 3.2.2. There are no workaround available.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2- nextcloud/security-advisoriesv5Range: < 3.2.2
Patches
Vulnerability mechanics
References
3- github.com/nextcloud/calendar/commit/7b70edfb8a0fcf0926f613ababcbd56c6ecd9f35nvdPatchThird Party Advisory
- github.com/nextcloud/calendar/pull/4073nvdPatchThird Party Advisory
- github.com/nextcloud/security-advisories/security/advisories/GHSA-8xv5-4855-24qfnvdThird Party Advisory
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