vulnerability
WordPress Plugin: all-in-one-seo-pack: CVE-2021-24307: Improper Control of Generation of Code ('Code Injection')
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 9 | (AV:N/AC:L/Au:S/C:C/I:C/A:C) | May 9, 2021 | May 15, 2025 | Jun 24, 2025 |
Severity
9
CVSS
(AV:N/AC:L/Au:S/C:C/I:C/A:C)
Published
May 9, 2021
Added
May 15, 2025
Modified
Jun 24, 2025
Description
The All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings before 4.1.0.2 enables authenticated users with "aioseo_tools_settings" privilege (most of the time admin) to execute arbitrary code on the underlying host. Users can restore plugin's configuration by uploading a backup .ini file in the section "Tool greater than Import/Export". However, the plugin attempts to unserialize values of the .ini file. Moreover, the plugin embeds Monolog library which can be used to craft a gadget chain and thus trigger system command execution.
Solution
all-in-one-seo-pack-plugin-cve-2021-24307
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