CVE-2023-1478

CVE-2023-1478 is a critical-severity vulnerability in Incsub Hummingbird with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-22.

Key facts

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.

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.
How severe is CVE-2023-1478?
CVE-2023-1478 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2023-1478 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (62nd percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2023-1478?
CVE-2023-1478 affects Incsub Hummingbird. See the affected-products list for the exact vulnerable versions.
How do I fix CVE-2023-1478?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.
When was CVE-2023-1478 published?
CVE-2023-1478 was published on 2023-04-10 and last updated on 2026-06-17.

References

Affected products (1)

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