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Description

Joomla! Component Zap Calendar Lite 4.3.4 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the 'eid' parameter. Attackers can send GET requests to the RSVP plugin endpoint with crafted SQL payloads to extract sensitive database information including database names and table structures.

PUBLISHED Reserved 2026-06-19 | Published 2026-06-19 | Updated 2026-06-23 | Assigner VulnCheck




HIGH: 8.8CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
HIGH: 8.2CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Problem types

Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

Product status

4.3.4
affected

Credits

Ihsan Sencan finder

References

www.exploit-db.com/exploits/42500 (ExploitDB-42500) exploit

zcontent.net/ (Official Product Homepage) product

extensions.joomla.org/...-a-events/events/zap-calendar-lite/ (Product Reference) product

www.vulncheck.com/...mponent-zap-calendar-lite-sql-injection (VulnCheck Advisory: Joomla! Component Zap Calendar Lite 4.3.4 SQL Injection) third-party-advisory

cve.org (CVE-2017-20268)

nvd.nist.gov (CVE-2017-20268)

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