All in One SEO Pack < 4.1.0.2 - Admin RCE via unserialize
CVE-2021-24307
Key Information:
- Vendor
Wordpress
- Vendor
- CVE Published:
- 24 May 2021
Badges
What is CVE-2021-24307?
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 > 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.
Human OS v1.0:
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Affected Version(s)
All in One SEO – Best WordPress SEO Plugin – Easily Improve Your SEO Rankings 4.1.0.2
Exploit Proof of Concept (PoC)
PoC code is written by security researchers to demonstrate the vulnerability can be exploited. PoC code is also a key component for weaponization which could lead to ransomware.
References
EPSS Score
41% chance of being exploited in the next 30 days.
CVSS V3.1
Timeline
- 🟡
Public PoC available
- 👾
Exploit known to exist
Vulnerability published
Vulnerability Reserved