What’s Vulnerable › Vulnerabilities

CVE-2017-20273: Joomla Event Registration Pro Calendar 4.1.3 SQL Injection

• Severity: high (CVSS 8.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2026-06-19 · updated 2026-08-21
• Weakness: CWE-89

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.

Affected products

• Joomlashowroom Event Registration Pro Calendar: 4.1.3

References

• https://www.exploit-db.com/exploits/42416
• https://www.vulncheck.com/advisories/joomla-event-registration-pro-calendar-sql-injection

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