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CVE-2017-20267

8.2 · HIGH
Published Jun 19, 2026 joomla CWE-89 EPSS 0.41% (34th pctl)

Overview

CVE-2017-20267 is a high-severity vulnerability affecting joomla calendar_planner. It was published on June 19, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

Technical Description

Joomla! Component Calendar Planner 1.0.1 contains an SQL injection vulnerability that allows unauthenticated attackers to inject SQL commands through the category_id parameter. Attackers can send GET requests to the events view with malicious SQL code in the category_id parameter to extract sensitive database information.

Remediation

Check the references section for vendor advisories and patches from joomla. Update calendar_planner to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

Affected Products

Vendor Product Versions Status

Frequently Asked Questions

What is CVE-2017-20267?

CVE-2017-20267 is a high-severity vulnerability affecting joomla calendar_planner. It was published on June 19, 2026 and has a CVSS 3.1 base score of 8.2 (HIGH).

How severe is CVE-2017-20267?

This vulnerability has a CVSS 3.1 base score of 8.2, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.

How do I fix or remediate CVE-2017-20267?

Check the references section for vendor advisories and patches from joomla. Update calendar_planner to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2017-20267?

CyberStrike's AI-powered security agents can automatically detect CVE-2017-20267 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.