CVE-2017-20268 - CVE House
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Status published High CVE-2017-20268

Joomla! Component Zap Calendar Lite 4.3.4 SQL Injection

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:

  • Ihsan Sencan

References

Affected Vendor

Affected Software

Zap Calendar Lite
Vulnerable Versions:
4.3.4

Timeline

Official Publish: June 19th, 2026
Last Modified: July 15th, 2026
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

Weaknesses (CWE)

CWE-89

MITRE ATT&CK TTPs

T1190 Exploit Public-Facing Application
Initial Access
T1059 Command and Scripting Interpreter
Execution
T1213.006 Databases
Collection
T1485 Data Destruction
Impact