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CVE-2026-81293 – Unauthenticated SQL Injection – WP Data Access WordPress Plugin (≤ 5.5.81)

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Summary

CVE-2026-81293 is an unauthenticated SQL Injection vulnerability (CWE-89) in the WP Data Access WordPress plugin, affecting all versions up to and including 5.5.81. The plugin fails to properly neutralize special elements in SQL statements, allowing a remote, unauthenticated attacker to inject arbitrary SQL and extract sensitive data from the site’s database. The issue carries a Critical CVSS v3.1 score of 9.3.

Technical details

  • Root cause: Improper neutralization of special elements used in an SQL command (CWE-89) within the WP Data Access plugin.
  • Trigger conditions: No authentication or user interaction is required to exploit the flaw.
  • Attack vector: Network-based; attack complexity is low, meaning exploitation does not require special conditions or timing.
  • Impact: High confidentiality impact (unauthorized read access to database contents, e.g., user credentials, private data) and low availability impact; the scope is changed, meaning the vulnerability can affect resources beyond the vulnerable component itself.

Affected software

  • WP Data Access (WordPress plugin) by Passionate Programmer Peter — versions ≤ 5.5.81
  • Fixed in version 5.5.82

Severity

  • CVSS v3.1 Base Score: 9.3 (Critical)
  • Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L

Mitigation and recommended actions

  • Immediate: Update the WP Data Access plugin to version 5.5.82 or later, where the SQL injection issue is resolved.
  • If immediate patching is not possible: Restrict or disable public access to the affected plugin’s front-end/API endpoints where feasible, and monitor database and web server logs for anomalous SQL error messages or injection patterns until the update can be applied.

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: wpdaApiSettings

References

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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

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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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