CVE-2017-20273

HIGH

Joomla Event Registration Pro Calendar 4.1.3 SQL Injection

Title source: cna
STIX 2.1

Exploitation Summary

EIP tracks 1 public exploit for CVE-2017-20273. PoCs published by Ihsan Sencan.

AI-analyzed exploit summary The exploit demonstrates a SQL injection vulnerability in Joomla! Component Event Registration Pro Calendar v4.1.3 via the 'id' parameter in the 'category' view. The provided payload uses a UNION-based SQL injection to extract data from the information_schema.columns table.

Description

Joomla Event Registration Pro Calendar 4.1.3 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the id parameter. Attackers can send GET requests to index.php with option=com_registrationpro&view=category&id parameter containing SQL injection payloads to extract sensitive database information.

Exploits (1)

exploitdb WORKING POC
by Ihsan Sencan · textwebappsphp
https://www.exploit-db.com/exploits/42416

The exploit demonstrates a SQL injection vulnerability in Joomla! Component Event Registration Pro Calendar v4.1.3 via the 'id' parameter in the 'category' view. The provided payload uses a UNION-based SQL injection to extract data from the information_schema.columns table.

Classification
Working Poc 90%
Attack Type
Sqli
Complexity
Trivial
Reliability
Reliable
Target: Joomla! Component Event Registration Pro Calendar v4.1.3
No auth needed
Prerequisites: Access to the vulnerable Joomla component URL
devstral-2 · analyzed Jun 19, 2026 Full analysis →

References (2)

Core 2
Core References
Exploit exploit
ExploitDB-42416
https://www.exploit-db.com/exploits/42416
Third Party Advisory third-party-advisory
VulnCheck Advisory: Joomla Event Registration Pro Calendar 4.1.3 SQL Injection
https://www.vulncheck.com/advisories/joomla-event-registration-pro-calendar-sql-injection

Scores

CVSS v3 8.2
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

CISA SSVC

Vulnrichment
Exploitation poc
Automatable yes
Technical Impact partial

Details

CWE
CWE-89
Status published
Products (1)
Joomlashowroom/Event Registration Pro Calendar 4.1.3
Published Jun 19, 2026
Tracked Since Jun 19, 2026