CVE-2017-20267

8.8 highEPSS 0.5%

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.

Severity

CVSS 4.0

8.8 high

CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N

CVSS 3.1

8.2 high

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS: 0.5% chance of exploitation in the next 30 days; higher than 42% of CVEs (scores of 2026-10-31)
CWE: CWE-89
Published: 2026-06-19
Modified: 2026-08-19
Record from: the NVD, synced 2026-10-19

Affected

joomla:calendar_planner

References

http://joomlathat.com/
https://extensions.joomla.org/extensions/extension/calendars-a-events/events/calendar-planner/
https://www.exploit-db.com/exploits/42501
https://www.vulncheck.com/advisories/joomla-component-calendar-planner-sql-injection

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