CVE-2023-0156: All-In-One Security (AIOS) < 5.1.5 - Admin+ Arbitrary File/Folder Access via Traversal

Severity: medium (CVSS 4.9 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.9% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2023-04-10 · updated 2026-06-17
Weakness: CWE-22

Description

The All-In-One Security (AIOS) WordPress plugin before 5.1.5 does not limit what log files to display in it's settings pages, allowing an authorized user (admin+) to view the contents of arbitrary files and list directories anywhere on the server (to which the web server has access). The plugin only displays the last 50 lines of the file.

Affected products

All-In-One Security (AIOS): before 5.1.5 — fixed in 5.1.5

How to fix

Upgrade to a fixed version: All-In-One Security (AIOS) 5.1.5. Check the vendor advisory for mitigations.

References

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