CVSS v3
9.8
CRITICAL
EPSS Score
1.1 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
The Hummingbird WordPress plugin before 3.4.2 does not validate the generated file path for page cache files before writing them, leading to a path traversal vulnerability in the page cache module.
Technical details
- Published
- 2023-04-10
Frequently asked questions
What is CVE-2023-1478?
The Hummingbird WordPress plugin before 3.4.2 does not validate the generated file path for page cache files before writing them, leading to a path traversal vulnerability in the page cache module.
Is CVE-2023-1478 actively exploited?
Active exploitation of CVE-2023-1478 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-2023-1478?
CVE-2023-1478 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2023-1478 affecting your environment?
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