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CVE-2026-3430 – Unauthenticated SQL Injection – Creative Mail WordPress Plugin 1.6.5–1.6.9

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Summary

CVE-2026-3430 is an unauthenticated SQL injection vulnerability in the Creative Mail WordPress plugin, affecting versions 1.6.5 through 1.6.9. An unauthenticated attacker can inject arbitrary SQL through the plugin’s abandoned cart email functionality, exposing sensitive database contents. It is rated High severity with a CVSS v3.1 base score of 8.6.

Technical details

  • Root cause: The plugin does not sanitize and escape a user-supplied parameter before using it in an SQL statement (CWE-89).
  • Trigger conditions: The flaw is reachable through the abandoned cart email handling used when Creative Mail manages WooCommerce abandoned cart emails; no authentication or user interaction is required.
  • Attack vector: Network — exploitable remotely via crafted HTTP requests.
  • Impact: Injection of arbitrary SQL, allowing extraction of sensitive information from the WordPress database. The CVSS vector indicates a scope change with high confidentiality impact.

Affected software

  • Creative Mail WordPress plugin, versions 1.6.5 through 1.6.9 (inclusive).

Severity

  • CVSS v3.1 base score: 8.6 (High)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N

Mitigation and recommended actions

  • Immediate: At the time of disclosure, no fixed version was available. Monitor the vendor for an updated release and upgrade as soon as one is published.
  • If no patch: Consider disabling or removing the Creative Mail plugin until a fix is released. Restrict access to the affected functionality using a web application firewall to block SQL injection payloads, and review database and access logs for anomalous queries or unauthorized data access.

How IONIX identifies potentially affected assets

IONIX matches the following signals against data already collected when it crawled the asset; identifying the technology sends no request beyond that crawl.

  • Raw response body: /wp-content/plugins/creative-mail-by-constant-contact/

References

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How IONIX’s External Exposure Management Platform Detects and Validates
Zero-Days to Shrink MTTR

1

Map your entire attack surface (continously)

IONIX uses multi-factor discovery methods, including DNS analysis, certificate mapping, metadata inspection, and more, to automatically map every internet-facing asset across your environment. This includes cloud instances, third-party platforms, shadow IT, and even forgotten infrastructure that traditional tools miss.

2

Monitor for new CVEs

Dozens of threat intel feeds using agentic technology are continuously analyzed to detect the appearance of proof-of-concept code, exploit kits, and indicators of active targeting. IONIX goes further by applying AI to proactively evaluate whether emerging vulnerabilities are likely to be exploited, even before PoCs go public.

3

Identify Potential External Exposures

Not all CVEs matter. IONIX filters vulnerabilities by asking attacker-centric questions: Can it be reached from the internet? Does it require authentication? Is it being exploited in the wild? This dramatically reduces noise and focuses teams on threats that can actually be weaponized.

4

Create Safe, Scalable Exploit Validations

IONIX transforms real-world PoCs into safe, non-intrusive test payloads that can be run in production environments without disruption. These simulations are precisely targeted to the systems that are vulnerable, ensuring rapid validation without unnecessary load.

5

Execute Exploit Validations

By combining context about software stack, versioning, exposure status, and reachability, IONIX ensures that only the right payloads are executed against the right assets, maximizing efficiency and minimizing risk.

6

Drive Fast and Actionable Remediation

Results are routed through integrations with ticketing, SOAR, and SIEM tools. Issues are written in plain language, bundled into remediation clusters, and prioritized based on asset criticality, exploitability, and blast radius. This shortens mean time to remediation (MTTR) and empowers teams to act with confidence.

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  • Mapping of all Assets with this Technology
  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
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