CVE-2017-20267 | Joomla! Component Calendar Planner 1.0.1 contains an SQL inj… | CVSS 8.2 HIGH

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.

Metadata

CVE ID: CVE-2017-20267
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-19 15:05 UTC
Published: 2026-06-19 16:07 UTC
Last updated: 2026-06-19 16:07 UTC
Primary CWE: CWE-89
Improper Neutralization of Special Elements used in an SQL C…
Vendor / Product: Joomlathat / Calendar Planner
Sources: cve.org · NVD

Severity & Metrics

8.2 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
Joomlathat	Calendar Planner	—	1.0.1

Weakness (CWE)

CWE	Source	Description
CWE-89	cna	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.8	HIGH	4.0	cna	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
8.2	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References (4)

ExploitDB-42501 https://www.exploit-db.com/exploits/42501
Official Product Homepage http://joomlathat.com/
Product Reference https://extensions.joomla.org/extensions/extension/calendars-a-events/events/calendar-planner/
VulnCheck Advisory: Joomla! Component Calendar Planner 1.0.1 SQL Injection https://www.vulncheck.com/advisories/joomla-component-calendar-planner-sql-injection