CVE-2017-20268

8.8 HIGH 0.5% exploit odds No fix listed Injection Web app

What it is

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.

At a glance

Exploitability: Can be exploited over the network without logging in. High risk of data exposure.
Exploit odds: 0.5% chance of exploitation in the next 30 days (EPSS).
Fix: No patch or advisory is linked yet. Look at mitigations or restrict exposure.

Timeline

2026-06-19 17:16 UTC PublishedDisclosed publicly on CVE.org and NVD
2026-08-21 13:41 UTC Last updatedMost recent change to the record

Details

Published: 2026-06-19 17:16 UTC
Last modified: 2026-08-21 13:41 UTC
Exploit probability: 0.5% · EPSS, next 30 days
Weakness: CWE-89 · SQL injection
Record status: Analyzed

Affected

Zcontent Zap Calendar Lite 4.3.4

Attack profile CVSS 4.0 · 8.8

Attack vector: Network
Complexity: Low
Attack requirements: None
Privileges needed: None
User interaction: None
Confidentiality: High
Integrity: Low
Availability: None

Raw vector

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/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X

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References

NVD record · CVE.org record