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CVE-2026-67365 – Unauthenticated SQL Injection – iCagenda extension for Joomla (4.0.0–4.0.11)

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Summary

CVE-2026-67365 is an unauthenticated SQL injection vulnerability in the iCagenda extension for Joomla, specifically in the mod_icagenda_calendar module. The flaw is reachable through Joomla’s com_ajax interface without any session, CSRF token, or authenticated account, and carries a critical CVSS score of 9.2.

Technical details

  • Root cause: improper neutralization of special elements in SQL statements (CWE-89) within the mod_icagenda_calendar module’s handling of input.
  • Trigger conditions: an attacker sends a crafted request to the com_ajax endpoint that routes to the vulnerable module handler; no login, session cookie, or anti-CSRF token is required.
  • Attack vector: network-based, low attack complexity, requires some attack requirements (AT:P) but no privileges (PR:N) and no user interaction (UI:N).
  • Impact: successful exploitation can lead to unauthorized reading, and potentially modification, of backend database contents, with downstream effects on confidentiality, integrity, and availability of the affected Joomla site.

Affected software

  • iCagenda extension for Joomla, versions 4.0.0 through 4.0.11 (inclusive).

Severity

  • CVSS v4.0 Base Score: 9.2 (Critical)
  • Vector: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:H/VI:L/VA:L/SC:H/SI:H/SA:H

Mitigation and recommended actions

  • Immediate: Check with the vendor (icagenda.com) for a release beyond 4.0.11 that addresses this issue and upgrade as soon as it is available; at the time of publication no patched version number had been confirmed in public vendor changelogs.
  • If no patch is yet available: restrict or disable public access to the com_ajax endpoint for the iCagenda component/module where feasible, disable or remove the mod_icagenda_calendar module if not in active use, and deploy a web application firewall rule to block SQL injection patterns targeting com_ajax requests referencing iCagenda.
  • Monitor web server and database logs for anomalous com_ajax-routed requests and unexpected SQL errors as an indicator of exploitation attempts.

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: option=com_icagenda, /components/com_icagenda/, /administrator/components/com_icagenda/, iCagenda, com_icagenda

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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  • Identification of potentially exposed assets to this CVE
  • Confirmation of verified exploitable assets
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