What is CVE-2021-30209?

CVE-2021-30209 is a medium-severity vulnerability in Textpattern, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2021-04-15.

How severe is CVE-2021-30209?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Arbitrary file upload in Textpattern

CVE-2021-30209

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.

Vulnerability class: Unrestricted File Upload

EPSS: 0.008 (51.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:N.

Affected products

Textpattern — versions 4.8.4
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

cve@mitre.org (Exploit, Third Party Advisory, x_refsource_MISC, Issue Tracking)

Frequently asked questions

What is CVE-2021-30209?: CVE-2021-30209 is a medium-severity vulnerability in Textpattern, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 6.5/10. Published 2021-04-15.
How severe is CVE-2021-30209?: Medium severity. CVSS v3 base score is 6.5 out of 10.