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Essential Real Estate CVE-2026-32465

| EUVDEUVD-2026-60901 HIGH
Deserialization of Untrusted Data (CWE-502)
2026-08-18 Patchstack GHSA-667w-p3xr-xc83
Deserialization PHP Essential Real Estate
8.8
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

PR:L reflects mandatory low-privilege account; AC:L reflects that WordPress multi-plugin environments routinely supply viable POP gadget chains.

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

Lifecycle Timeline

2
Analysis Generated
Aug 18, 2026 - 14:22 vuln.today
CVE Published
Aug 18, 2026 - 13:59 cve.org
HIGH 8.8

DescriptionCVE.org

Customer PHP Object Injection in Essential Real Estate <= 5.3.3 versions.

AnalysisAI

PHP Object Injection in the Essential Real Estate WordPress plugin (≤ 5.3.3) by g5theme allows low-privileged authenticated users to pass a crafted serialized PHP object through a vulnerable unserialize() call, potentially triggering arbitrary code execution if a usable POP (Property-Oriented Programming) gadget chain exists within the WordPress installation. The CVSS 8.8 score reflects full confidentiality, integrity, and availability impact - realistic in WordPress environments where co-installed plugins routinely supply gadget chains. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Obtain low-privilege WordPress account
Delivery
Submit crafted serialized PHP object via vulnerable plugin endpoint
Exploit
PHP unserialize() processes attacker-controlled data
Execution
POP chain triggered via magic methods in co-installed classes
Persist
Arbitrary code executed as web server process
Impact
Full WordPress site compromise
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Vulnerability AssessmentAI

Exploitation Exploitation requires a valid WordPress user account with at least subscriber-level (low-privilege) access, confirmed by PR:L in the CVSS 3.1 vector - unauthenticated exploitation is not indicated. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.8 vector (AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H) signals a network-reachable, low-complexity flaw requiring only a low-privilege authenticated account - a realistic attacker profile for real estate portals that commonly offer subscriber or listing-submission accounts. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers or obtains a low-privilege WordPress account on a site running Essential Real Estate ≤ 5.3.3 - common on real estate portals with open registration. The attacker submits a crafted serialized PHP payload via the vulnerable plugin input; PHP deserializes the object and triggers magic methods in a POP chain sourced from co-installed plugins or WordPress core classes. …
Remediation Update the Essential Real Estate plugin to the latest version available in the WordPress plugin repository, which should contain the fix for this deserialization flaw - the exact patched release version was not confirmed in the available reference data, so verify the current version against the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/essential-real-estate/vulnerability/wordpress-essential-real-estate-plugin-5-3-3-php-object-injection-vulnerability before deploying. … Detailed patch versions, workarounds, and compensating controls in full report.
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Recommended ActionAI

Within 24 hours, inventory all WordPress installations to identify if the Essential Real Estate by g5theme plugin (any version ≤5.3.3) is present and assess the criticality of real estate functionality for your business. …

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

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CVE-2026-32465 vulnerability details – vuln.today
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