Hummingbird: Filesystem traversal
Hummingbird is affected by filesystem traversal. Exposure depends on how the affected operation is made reachable by the site. A crafted path can escape the intended directory and reach files or directories elsewhere on the server.
- Component
- Hummingbird
- Plugin slug
hummingbird- Affected
- See vendor advisory
- Safe version
- See mitigation notes
- Published
- Apr 10, 2023
This CVE was published Apr 10, 2023 and is one of 4 known issues for this plugin.
Update, patch or deactivate.
Update Hummingbird to a release outside the affected range, or disable and remove it until a fixed version is available.
No confirmed safe version is listed. Consider a vendor-supported patch or temporarily restricting the affected functionality while you assess the risk.
Deactivate only when warranted by your risk profile, or when advised by your hosting provider in the limited circumstances where the vulnerability cannot otherwise be mitigated. If you’re unsure which action is appropriate, contact Fused or your hosting provider for guidance.
Technical 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.
CVE / CNA vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
NVD vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H