CVE-2023-0477
CVSS v3
8.8
HIGH
EPSS Score
1.6 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The Auto Featured Image (Auto Post Thumbnail) WordPress plugin before 3.9.16 includes an AJAX endpoint that allows any user with at least Author privileges to upload arbitrary files, such as PHP files. This is caused by incorrect file extension validation.
Technical details
- Published
- 2023-03-13
Frequently asked questions
What is CVE-2023-0477?
The Auto Featured Image (Auto Post Thumbnail) WordPress plugin before 3.9.16 includes an AJAX endpoint that allows any user with at least Author privileges to upload arbitrary files, such as PHP files. This is caused by incorrect file extension validation.
Is CVE-2023-0477 actively exploited?
Active exploitation of CVE-2023-0477 has not been confirmed. Its EPSS score was 1.6% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2023-0477?
CVE-2023-0477 has a CVSS v3 base score of 8.8 (HIGH severity).
Is CVE-2023-0477 affecting your environment?
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