TI-2023-01397 Aliases CVE-2023-1478 GHSA-6686-jvr4-7m78

Hummingbird < 3.4.2 - Unauthenticated Path Traversal

HIGH 82CWE-22Published 2023-04-10 · Updated 2025-02-11

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: —
Confidentiality · integrity · availability: High · High · High
Fix status: Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.01119 66th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed Hummingbird (Unknown): 3.4.2

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Unknown	Hummingbird	before 3.4.2	3.4.2	Patch available	CNA

Hummingbird VendorUnknown Affected before 3.4.2 Fixed in 3.4.2 Patch available CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:incsub:hummingbird::::::wordpress::*	before 3.4.2	Vulnerable	Incsub

cpe:2.3:a:incsub:hummingbird:*:*:*:*:*:wordpress:*:* Versions before 3.4.2 Vulnerable ·Incsub

Remediation

Fix · CNA Hummingbird (Unknown) Fixed in 3.4.2

Timeline

2026-10-02 Threatist record created from CVE-2023-1478
2026-10-03 Alias added: GHSA-6686-jvr4-7m78

References

Exploit 1

https://wpscan.com/vulnerability/512a9ba4-01c0-4614-a991-efdc7fe51abe

TI-2024-28789 WordPress Hummingbird plugin <= 3.9.1 - Broken Access Control vulnerability CVSS 3.1HIGH 8.8
TI-2022-00893 Hummingbird < 3.3.2 - Admin+ Stored Cross-Site Scripting CVSS 3.1MEDIUM 4.8
TI-2024-21666 WordPress Hummingbird plugin <= 3.7.3 - Broken Access Control vulnerability CVSS 3.1MEDIUM 5.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences