CVE-2017-20268 | Joomla! Component Zap Calendar Lite 4.3.4 contains an SQL in… | CVSS 8.2 HIGH

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.

Metadata

CVE ID: CVE-2017-20268
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-19 15:05 UTC
Published: 2026-06-19 16:11 UTC
Last updated: 2026-06-19 16:11 UTC
Primary CWE: CWE-89
Improper Neutralization of Special Elements used in an SQL C…
Vendor / Product: Zcontent / Zap Calendar Lite
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
Zcontent	Zap Calendar Lite	—	4.3.4

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-42500 https://www.exploit-db.com/exploits/42500
Official Product Homepage https://zcontent.net/
Product Reference https://extensions.joomla.org/extensions/extension/calendars-a-events/events/zap-calendar-lite/
VulnCheck Advisory: Joomla! Component Zap Calendar Lite 4.3.4 SQL Injection https://www.vulncheck.com/advisories/joomla-component-zap-calendar-lite-sql-injection