What is CVE-2023-26852?

CVE-2023-26852 is a high-severity vulnerability in Textpattern, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2023-04-12.

How severe is CVE-2023-26852?

High severity. CVSS v3 base score is 7.2 out of 10.

Is CVE-2023-26852 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Arbitrary file upload in Textpattern

CVE-2023-26852

An arbitrary file upload vulnerability in the upload plugin of Textpattern v4.8.8 and below allows attackers to execute arbitrary code by uploading a crafted PHP file.

Vulnerability class: Unrestricted File Upload

EPSS: 0.020 (78.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Textpattern
N/a — versions n/a

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

Public proof-of-concept exploits

References

cve@mitre.org (Product)
cve@mitre.org (Exploit, Third Party Advisory)
cve@mitre.org (Exploit, Third Party Advisory)

Frequently asked questions

What is CVE-2023-26852?: CVE-2023-26852 is a high-severity vulnerability in Textpattern, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.2/10. Published 2023-04-12.
How severe is CVE-2023-26852?: High severity. CVSS v3 base score is 7.2 out of 10.
Is CVE-2023-26852 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.