VulnerabilityModified
CVE-2021-44082
textpattern 4.8.7 is vulnerable to Cross Site Scripting (XSS) via /textpattern/index.php,Body.
HIGH 8.3EPSS 3.04%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (3.04%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
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 3.1
- 8.3 HIGHCVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:H/I:H/A:H
- EPSS
- 3.04% probability · 87th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-79
- Affected
- textpattern/textpattern
- Source
- cve@mitre.org
References
- https://pentest.co.uk/labs/leveraging-xss-to-get-rce-in-textpattern/Exploit, Third Party Advisory
- https://www.cornerpirate.comNot Applicable
- https://www.pentest.co.ukThird Party Advisory
- https://pentest.co.uk/labs/leveraging-xss-to-get-rce-in-textpattern/Exploit, Third Party Advisory
- https://www.cornerpirate.comNot Applicable
- https://www.pentest.co.ukThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.