High severity · published Apr 10, 2023
CVE-2023-1381
WP Meta SEO < 4.5.5 - Author+ PHAR Deserialization
8.8
CVSS
1.7%
EPSS
No
On KEV
Description
The WP Meta SEO WordPress plugin before 4.5.5 does not validate image file paths before attempting to manipulate the image files, leading to a PHAR deserialization vulnerability. Furthermore, the plugin contains a gadget chain which may be used in certain configurations to achieve remote code execution.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
WM
WP Meta SEO ·
before 4.5.5 · source: vendor, NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2023-1381
CVE.org
https://www.cve.org/CVERecord?id=CVE-2023-1381
Exploit
https://blog.wpscan.com/uncovering-a-phar-deserialization-vulnerability-in-wp-meta-seo-and-escalating-to-rce/
Exploit
https://wpscan.com/vulnerability/f140a928-d297-4bd1-8552-bfebcedba536
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