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CVE-2026-73391 – Unauthenticated SQL Injection – Total Donations WordPress Plugin (≤ 2.0.5)

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Summary

CVE-2026-73391 is an unauthenticated SQL injection vulnerability in the Total Donations WordPress plugin by KlbTheme, affecting all versions up to and including 2.0.5. The flaw allows a remote, unauthenticated attacker to inject SQL through the plugin without any interaction from the victim, and carries a CRITICAL CVSS v3.1 score of 9.3. The plugin has since been closed and removed from distribution due to security issues, with no fix available.

Technical details

  • Root cause: improper neutralization of special elements used in SQL commands (CWE-89) within the Total Donations plugin’s request handling.
  • Trigger conditions: an attacker sends a crafted, unauthenticated request to a vulnerable Total Donations installation; no prior authentication or user interaction is required.
  • Attack vector: Network (AV:N), low attack complexity (AC:L), no privileges required (PR:N), no user interaction (UI:N), with a changed scope (S:C).
  • Impact: high confidentiality impact and low availability impact, consistent with blind SQL injection used to extract data from the underlying WordPress database.

Affected software

  • Total Donations (WordPress plugin) by KlbTheme, version 2.0.5 and all earlier versions.

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

  • No patch available: Total Donations has been closed on the WordPress.org plugin directory as of April 24, 2025 due to a security issue, and is no longer available for download or update.
  • Immediate action: uninstall and remove the Total Donations plugin from any WordPress site where it is installed, and migrate to an actively maintained donation/fundraising plugin.
  • Network mitigation: if immediate removal is not possible, block or restrict access to the plugin’s endpoints at the web application firewall / reverse proxy level, and monitor database logs for anomalous query patterns until the plugin is removed.
  • General hygiene: review WordPress sites for the presence of this plugin as part of routine attack-surface inventory, since it can no longer receive vendor updates.

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/total-donations/

References

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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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