CVE-2021-30209

MEDIUM
Published Apr 15, 20215y ago · Modified Jun 17, 20262w ago
6.5 CVSS 3.1
Medium
Find Similar
Published Apr 15, 2021 5y ago
Last Modified Jun 17, 2026 2w ago

Description

Textpattern V4.8.4 contains an arbitrary file upload vulnerability where a plug-in can be loaded in the background without any security verification, which may lead to obtaining system permissions.

CVSS Details

Base Score
6.5
Exploitability
2.8
Impact
3.6
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction None
Scope Unchanged
Confidentiality None
Integrity High
Availability None

Threat Intelligence

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

Exploit & Patch Status
Public Exploit Known
No Patch Available

Weaknesses 1

CWE-434 Unrestricted Upload of File with Dangerous Type Resource Mgmt

Affected Products 1

VendorProductVersionRange
textpatterntextpattern4.8.4any

References 1

  • github.com https://github.com/textpattern/textpattern/issues/1655
    ExploitIssue TrackingThird Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.