CVE-2021-25976

HIGH
Published Nov 16, 20214y ago · Modified Jun 17, 20261w ago
8.1 CVSS 3.1
High
Find Similar
Published Nov 16, 2021 4y ago
Last Modified Jun 17, 2026 1w ago

Description

In PiranhaCMS, versions 4.0.0-alpha1 to 9.2.0 are vulnerable to cross-site request forgery (CSRF) when performing various actions supported by the management system, such as deleting a user, deleting a role, editing a post, deleting a media folder etc., when an ID is known.

CVSS Details

Base Score
8.1
Exploitability
2.8
Impact
5.2
Vector string
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality None
Integrity High
Availability High

Threat Intelligence

No active exploitation signals — not in CISA KEV and no EPSS score yet.

Exploit & Patch Status
No Known Exploit
Patch Available

Weaknesses 1

CWE-352 Cross-Site Request Forgery (CSRF) Authentication

Affected Products 12

VendorProductVersionRange
dotnetfoundationpiranha_cms*≥4.0.1  –  ≤9.2
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any
dotnetfoundationpiranha_cms4.0.0any

References 2

  • github.com https://github.com/PiranhaCMS/piranha.core/commit/e42abacdd0dd880ce9cf6607efcc24646ac82eda
    PatchThird Party Advisory
  • whitesourcesoftware.com https://www.whitesourcesoftware.com/vulnerability-database/CVE-2021-25976
    Third Party Advisory

Remediation

  • github.com https://github.com/PiranhaCMS/piranha.core/commit/e42abacdd0dd880ce9cf6607efcc24646ac82eda
    PatchThird Party Advisory