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Creative Mail EUVDEUVD-2026-53977

| CVE-2026-65547 HIGH
SQL Injection (CWE-89)
2026-08-06 Patchstack GHSA-3jfp-8ffg-83g9
8.5
CVSS 3.1 · Vendor: Patchstack
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Severity by source

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

Network-accessible, subscriber-authenticated SQLi with scope change to shared DB; I:L reflects typical SQL injection write potential; no meaningful availability impact identified.

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

Primary rating from Vendor (Patchstack).

CVSS VectorVendor: Patchstack

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

Lifecycle Timeline

2
Analysis Generated
Aug 06, 2026 - 15:34 vuln.today
CVE Published
Aug 06, 2026 - 14:27 cve.org
HIGH 8.5

DescriptionCVE.org

Subscriber SQL Injection in Creative Mail <= 1.6.9 versions.

AnalysisAI

SQL injection in Creative Mail by Constant Contact (WordPress plugin, versions ≤1.6.9) allows authenticated subscribers to execute arbitrary SQL against the WordPress database. The CVSS scope change (S:C) indicates the injection can reach database resources beyond the plugin's own tables, including WordPress user credentials, private posts, and configuration data. …

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Attack ChainAIDerived

Hypothetical attack flow derived from CVE metadata

Access
Register WordPress subscriber account
Delivery
Identify vulnerable Creative Mail endpoint
Exploit
Inject SQL payload in subscriber-controlled parameter
Execution
Database executes injected query across shared WordPress DB
Impact
Exfiltrate credentials, emails, and private content

Vulnerability AssessmentAI

Exploitation Exploitation requires a valid subscriber-level WordPress account (PR:L per CVSS), which is the lowest authenticated role. … Additional conditions and limiting factors are described in the full assessment.
Risk Assessment The CVSS 8.5 score is driven primarily by the S:C scope change and C:H confidentiality impact, reflecting the ability to read across the full WordPress database. … Full risk analysis with EPSS, KEV, and SSVC signal comparison available after sign-in.
Exploit Scenario An attacker registers a free subscriber account on a WordPress site running Creative Mail ≤1.6.9, then submits a crafted HTTP request to a vulnerable plugin endpoint with a malicious SQL payload embedded in a subscriber-controlled parameter. The unsanitized input is passed directly to the database, allowing the attacker to enumerate and exfiltrate the WordPress database contents - including hashed passwords, email addresses, private posts, and plugin configuration data - through successive blind or error-based injection queries. …
Remediation Update Creative Mail to a version beyond 1.6.9 as soon as a patched release is available via the WordPress plugin repository or the Patchstack advisory at https://patchstack.com/database/wordpress/plugin/creative-mail-by-constant-contact/vulnerability/wordpress-creative-mail-plugin-1-6-9-sql-injection-vulnerability. … Detailed patch versions, workarounds, and compensating controls in full report.

Recommended ActionAI

Immediately disable the Creative Mail by Constant Contact plugin (version ≤1.6.9) across all WordPress installations and document the current version on each instance using wp plugin list or the WordPress admin dashboard. …

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EUVD-2026-53977 vulnerability details – vuln.today

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