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CVE-2026-73365 – Unauthenticated SQL Injection – JetAppointment WordPress Plugin (≤ 2.5.2)

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Summary

CVE-2026-73365 is an unauthenticated SQL Injection vulnerability affecting the JetAppointment WordPress plugin (by Crocoblock/Jetimpex Inc.), a booking/scheduling plugin used to manage providers, services, and appointment calendars on WordPress sites. The flaw allows a remote, unauthenticated attacker to inject and execute arbitrary SQL commands against the site’s database. It carries a CVSS v3.1 base score of 9.3 (Critical).

Technical details

  • Root cause: Improper neutralization of special elements used in an SQL command (CWE-89) within the JetAppointment plugin’s code.
  • Trigger conditions: No authentication or user interaction is required to exploit the flaw.
  • Attack vector: Network-based; an attacker sends crafted input to a vulnerable plugin endpoint over HTTP(S), requiring low attack complexity and no privileges.
  • Impact: High confidentiality impact (database contents can be read/extracted) and partial (low) availability impact, consistent with a blind SQL injection pattern (CAPEC-7).

Affected software

  • JetAppointment (jet-appointments-booking) WordPress plugin, all versions up to and including 2.5.2.
  • Fixed in version 2.5.2.1 and later.

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 JetAppointment plugin to version 2.5.2.1 or later.
  • If no patch can be applied immediately: Restrict or disable public access to the JetAppointment plugin’s front-end booking functionality, deploy a web application firewall (WAF) rule to block SQL injection patterns targeting plugin endpoints, and monitor database and web server logs for anomalous query activity.

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/jet-appointments-booking/

References

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Map your entire attack surface (continously)

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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.

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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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