CVE-2021-44082

high

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.

References

https://www.pentest.co.uk

https://www.cornerpirate.com

https://pentest.co.uk/labs/leveraging-xss-to-get-rce-in-textpattern/

Details

Source: Mitre, NVD

Published: 2022-03-29

Updated: 2026-06-17

Risk Information

CVSS v2

Base Score: 5.1

Vector: CVSS2#AV:N/AC:H/Au:N/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.3

Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H

Severity: High

EPSS

EPSS: 0.0057