CVE-2023-1381

WP Meta SEO < 4.5.5 - Author+ PHAR Deserialization

HIGH
8.8
CVSS Score
Published: April 10, 2023 at 02:14 PM UTC
Updated: June 17, 2026 at 05:27 AM UTC
1 product affected across 1 vendorWP Meta SEO

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Severity
HIGH8.8
Exploit prediction
EPSS 2%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

WP Meta SEO· Joomunitedwordpress-plugin
95%
v < 4.5.5
Affected range stops below 4.5.5, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

SSVC — Action Prioritization

SSVCPoCNot automatableTotal impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

8.8HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-502

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