CVE-2021-44082

HIGH
Published Mar 29, 20224y ago · Modified Jun 17, 20262w ago
8.3 CVSS 3.1
High
Find Similar
Published Mar 29, 2022 4y ago
Last Modified Jun 17, 2026 2w ago

Description

textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body. A remote and unauthenticated attacker can use XSS to trigger remote code execution by uploading a webshell. To do so they must first steal the CSRF token before submitting a file upload request.

CVSS Details

Base Score
8.3
Exploitability
1.6
Impact
6.0
Vector string
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Changed
Confidentiality High
Integrity High
Availability High

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-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
textpatterntextpattern4.8.7any

References 3

  • pentest.co.uk https://pentest.co.uk/labs/leveraging-xss-to-get-rce-in-textpattern/
    ExploitThird Party Advisory
  • cornerpirate.com https://www.cornerpirate.com
    Not Applicable
  • pentest.co.uk https://www.pentest.co.uk
    Third Party Advisory

Remediation

No remediation data recorded yet

Check vendor advisories and the NVD entry for patch availability.