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EasyMeals WordPress Theme CVE-2026-40753

| EUVD-2026-37602 HIGH
Deserialization of Untrusted Data (CWE-502)
2026-06-17 Patchstack
8.1
CVSS 3.1 · Vendor: Patchstack
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Severity by source

Vendor (Patchstack) PRIMARY
8.1 HIGH
AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
vuln.today AI
8.1 HIGH

Network-reachable unauthenticated deserialization (AV:N/PR:N/UI:N); AC:H because exploitation requires a viable POP gadget chain in the target stack; full C/I/A impact typical of PHP object injection.

3.1 AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
4.0 AV:N/AC:H/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High

Lifecycle Timeline

1
Analysis Generated
Jun 17, 2026 - 12:14 vuln.today

DescriptionCVE.org

Unauthenticated PHP Object Injection in EasyMeals <= 1.5.1 versions.

AnalysisAI

Unauthenticated PHP Object Injection affects the Mikado-Themes EasyMeals WordPress theme through version 1.5.1, allowing remote attackers to inject crafted serialized objects that are deserialized by vulnerable PHP code paths. Successful exploitation can lead to high-impact compromise of confidentiality, integrity, and availability on the underlying WordPress site, though no public exploit identified at time of analysis. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Identify WordPress site using EasyMeals theme
Delivery
Craft serialized PHP object with POP gadget chain
Exploit
Submit payload to vulnerable theme endpoint
Execution
Trigger unserialize() and magic method invocation
Persist
Achieve code execution or file write
Impact
Establish web shell persistence

Vulnerability AssessmentAI

Exploitation The target must be running the Mikado-Themes EasyMeals WordPress theme at version 1.5.1 or earlier, and the vulnerable deserialization entry point must be reachable over HTTP/HTTPS without authentication (PR:N, UI:N). … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment Signals are mixed: the CVSS 3.1 vector AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H indicates a network-reachable, unauthenticated vulnerability with full triad impact, but AC:H tempers practical exploitability because a viable gadget chain must exist in the deployed stack. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An unauthenticated attacker sends an HTTP request to a WordPress site running EasyMeals <= 1.5.1 containing a crafted serialized PHP object in a parameter that the theme passes to unserialize(). When deserialized, the object triggers a POP gadget chain available in WordPress core or other installed components, leading to outcomes such as arbitrary file write or code execution in the web server context. …
Remediation No vendor-released patch identified at time of analysis in the provided data; site operators running EasyMeals 1.5.1 or earlier should consult the Patchstack advisory at https://patchstack.com/database/wordpress/theme/easymeals/vulnerability/wordpress-easymeals-theme-1-5-1-php-object-injection-vulnerability and upgrade to a fixed release once published by Mikado-Themes. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours: Audit all WordPress installations to identify systems running EasyMeals theme v1.5.1 or earlier. …

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Threat intelligence, references, and detailed analysis are available after sign-in.

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CVE-2026-40753 vulnerability details – vuln.today

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