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HIGH

CVE-2021-36426

CVSS v3

8.8

HIGH

EPSS Score

1.1 %

exploit probability, as of 2026-09-25

CISA KEV

No

known exploited

Exploitation

—

SSVC status

Description

File Upload vulnerability in phpwcms 1.9.25 allows remote attackers to run arbitrary code via crafted file upload to include/inc_lib/general.inc.php.

Technical details

Published
2023-02-03

Frequently asked questions

What is CVE-2021-36426?

File Upload vulnerability in phpwcms 1.9.25 allows remote attackers to run arbitrary code via crafted file upload to include/inc_lib/general.inc.php.

Is CVE-2021-36426 actively exploited?

Active exploitation of CVE-2021-36426 has not been confirmed. Its EPSS score was 1.1% on 2026-09-25, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2021-36426?

CVE-2021-36426 has a CVSS v3 base score of 8.8 (HIGH severity).

Is CVE-2021-36426 affecting your environment?

Use isMalicious to check if any of your IPs or domains are associated with this vulnerability's IOCs.

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