CVE-2023-1478 json
Hummingbird < 3.4.2 - Unauthenticated Path Traversal
published 2023-04-10 3 y ago modified 2026-06-17 4 mo ago also EUVD-2023-23726
- cvss
- 9.8
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 66%
- public exploits
- 0
- none known
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.
Patch / fix
- Unknown Hummingbird 3.4.2
CISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- yes
- Technical impact
- total
- Assessed
- 20 mo ago
Exploit prediction
1.12% chance of exploitation in the next 30 days, higher than 66% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- wpscan.com https://wpscan.com/vulnerability/512a9ba4-01c0-4614-a991-efdc7fe51abe referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| CNA | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected products
- Unknown Hummingbird
Classification
- Weakness
-
- CWE-22 Improper Limitation of a Pathname to a Restricted Directory
- Technology feeds
References
-
wpscan.com
/vulnerability/512a9ba4-01c0-4614-a991-efdc7fe51abe
exploit, vdb-entry, technical-description, third-party-advisory
Sources
- CVE List CVE-2023-1478
- NVD CVE-2023-1478
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.