Is CVE-2023-1478 actively exploited?

No active exploitation of CVE-2023-1478 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2023-1478 be exploited remotely?

Yes. CVE-2023-1478 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2023-1478?

CVE-2023-1478 has a CVSS score of 9.8 (CRITICAL).

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CRITICAL

CVE-2023-1478

CWE-22Published: April 10, 2023· Updated: Jun 17, 2026

9.8

CVSS v3.1

Official 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.

NVD Source

Risk Analysis

The Hummingbird WordPress plugin contains a path traversal vulnerability due to improper validation of page cache file paths. This critical flaw, rated 9.8, could allow an attacker to write files to unauthorized locations.

There is no known public exploit for this vulnerability, and it is not in the CISA KEV catalog. It is remotely exploitable with low complexity.

Recommended Action

Administrators should update the Hummingbird plugin to version 3.4.2 or higher.

Generated by the CTIWATCH analysis pipeline from this CVE's metadata (CVSS, EPSS, KEV status, exploit intelligence). Verify against vendor advisories before acting.

Technical Analysis

CVE-2023-1478 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 9.8.