Skip to main content
CRITICAL

CVE-2023-1478

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?

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

No credit card required · 500 free checks/month · Free API key