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Domain For Sale CVE-2026-89023

| EUVDEUVD-2026-77760 HIGH
Missing Authorization (CWE-862)
2026-09-14 VulnCheck GHSA-2wh4-7p8q-3mh2
8.8
CVSS 4.0 · Vendor: VulnCheck
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Severity by source

Vendor (VulnCheck) PRIMARY
8.8 HIGH
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
vuln.today AI
8.6 HIGH

Network-accessible REST API requires no credentials; high confidentiality from offer/bidder/token data exposure; low integrity and availability from offer deletion only.

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

Primary rating from Vendor (VulnCheck).

CVSS VectorVendor: VulnCheck

Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
X

Lifecycle Timeline

3
Analysis Generated
Sep 15, 2026 - 07:56 vuln.today
Patch available
Sep 14, 2026 - 20:03 EUVD
CVE Published
Sep 14, 2026 - 18:17 cve.org
HIGH 8.8

DescriptionCVE.org

ThemeAtelier Domain For Sale plugin for WordPress before 3.5.2 contains a missing authorization vulnerability in its REST API endpoints that allows unauthenticated attackers to access and manipulate protected resources. Attackers can retrieve stored offer records, delete arbitrary offers by numeric identifier, and access dashboard statistics to disclose bidder contact information, offer details, messages, verification tokens, and business data.

AnalysisAI

Missing authorization controls in the ThemeAtelier Domain For Sale WordPress plugin before 3.5.2 expose unauthenticated REST API endpoints that disclose sensitive business data and permit destructive operations. Remote unauthenticated attackers can enumerate all stored offer records, harvest bidder contact information, verification tokens, and messages, and delete arbitrary offers by iterating numeric identifiers. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
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Delivery
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Exploit
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Execution
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Persist
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Impact
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Vulnerability AssessmentAI

Exploitation Exploitation requires the ThemeAtelier Domain For Sale WordPress plugin version prior to 3.5.2 to be installed and active on a WordPress site with its REST API accessible - the default state for virtually all WordPress installations. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 4.0 vector (AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:L) reflects a straightforward network-accessible, unauthenticated flaw with high confidentiality impact and low integrity and availability impact, yielding a base score of 8.8. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario Full exploit scenario with step-by-step reproduction available after sign-in.
Remediation Update the ThemeAtelier Domain For Sale plugin to version 3.5.2 or later, which is the vendor-released patch that introduces proper authorization checks on REST API endpoints. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Within 24 hours, identify all WordPress installations running ThemeAtelier Domain For Sale plugin and document their current versions. …

Sign in for detailed remediation steps and compensating controls.

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

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CVE-2026-89023 vulnerability details – vuln.today

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