CVE-2017-20267 Joomla! Component Calendar Planner 1.0.1 SQL Injection

High 8.8 Published Updated

Unauthenticated attackers can inject SQL commands via the category_id parameter to extract sensitive database information from the Joomla Calendar Planner component.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2017-20267?

CVE-2017-20267 is a high-severity SQL injection vulnerability in Joomlathat Calendar Planner, published on 19 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official 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.

Weakness: CWE-89

Which versions are affected by CVE-2017-20267?

It affects 1 product.

Products include Joomla Calendar Planner.

How do I fix CVE-2017-20267?

No fix has been published for CVE-2017-20267 yet. Limit exposure of the affected software until one is available.

Use parameterised queries everywhere and never build SQL by joining strings. Upgrade affected software first; a web application firewall only buys time. More about SQL injection.

Is CVE-2017-20267 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2017-20267 exists.

Sources

Also known as GHSA-2rwc-gxjj-fh85.

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