InstantCMS is a free and open source content management system. Prior to 2.18.1, InstantCMS does not validate CSRF tokens, which allows attackers grant moderator privileges to users, execute scheduled tasks, move posts to trash, and accept friend requests on behalf of the user. This vulnerability is fixed in 2.18.1.
History

Mon, 09 Mar 2026 22:30:00 +0000

Type Values Removed Values Added
Description InstantCMS is a free and open source content management system. Prior to 2.18.1, InstantCMS does not validate CSRF tokens, which allows attackers grant moderator privileges to users, execute scheduled tasks, move posts to trash, and accept friend requests on behalf of the user. This vulnerability is fixed in 2.18.1.
Title InstantCMS has Multiple CSRF Vulnerabilities
Weaknesses CWE-352
References
Metrics cvssV3_1

{'score': 7.1, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:H/A:N'}


cve-icon MITRE

Status: PUBLISHED

Assigner: GitHub_M

Published: 2026-03-09T22:13:24.662Z

Updated: 2026-03-09T22:13:24.662Z

Reserved: 2026-02-26T01:52:58.734Z

Link: CVE-2026-28281

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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