CVE-2017-20268
CWE-89Published: June 19, 2026· Updated: Jun 23, 2026
Official 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.
Technical Analysis
CVE-2017-20268 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.
The vulnerability requires no privileges and no user interaction, making it a prime target for automated exploitation campaigns and worm-like propagation.
A successful exploit results in complete confidentiality breach (data exposure), with a CVSS base score of 8.2.
From a weakness classification perspective (CWE-89): SQL injection vulnerabilities allow attackers to manipulate database queries, potentially exposing or modifying sensitive data.
CVSS v3.1 Vector Breakdown
Affected Vendors & Products
Exploit & PoC Resources
All References (4)
Quick Facts
Related CVEs (CWE-89)
Recommended Actions
- →Apply vendor patches immediately
- →Monitor CVE-2017-20268 in threat intel feeds
- →Review IDS/IPS signatures for exploitation attempts