SQL Injection in Joomla Calendar Planner
CVE-2017-20267
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.
Vulnerability class: SQL Injection
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
EPSS exploit prediction
EPSS: 0.005 (39.9th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 40th percentile — 39.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.004 · newest: 0.005 · change: +0.001
Affected products
- Joomla Calendar Planner — versions 1.0.1
- Joomlathat Calendar Planner — versions 1.0.1
Weakness classification (CWE)
References
- joomlathat.com/ (Product, product)
- extensions.joomla.org/extensions/extension/calendars-a-events/events/calendar-p… (Product, product)
- www.exploit-db.com/exploits/42501 (Exploit, VDB Entry, exploit)
- www.vulncheck.com/advisories/joomla-component-calendar-planner-sql-injection (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2017-20267?
- CVE-2017-20267 is a high-severity vulnerability in Joomla Calendar Planner, classified under SQL Injection. CVSS score: 8.2/10. Published 2026-06-19.
- How severe is CVE-2017-20267?
- High severity. CVSS v3 base score is 8.2 out of 10.