Is there a public PoC exploit available for CVE-2017-20243?

Yes, a public proof-of-concept exploit is available for CVE-2017-20243. Prioritise patching immediately. EPSS: 0.1%.

Car Park Booking System CVE-2017-20243

Q: What is the CVSS score of CVE-2017-20243?

CVE-2017-20243 has a CVSS 4.0 base score of 8.8 (High). CVSS 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. EPSS exploitation probability: 0.1%.

EUVD-2017-18969 HIGH

SQL Injection (CWE-89)

2026-06-09 VulnCheck

GHSA-6f58-v6v9-pjm9

WordPress SQLi Car Park Booking System

8.8

CVSS 4.0 · Vendor: VulnCheck

Severity by source

Vendor (VulnCheck) PRIMARY

8.8 HIGH

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

Primary rating from Vendor (VulnCheck) · only source for this CVE.

CVSS VectorVendor: VulnCheck

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Lifecycle Timeline

CVSS changed

Jun 09, 2026 - 13:22 NVD

8.2 (HIGH) 8.8 (HIGH)

CVE Published

Jun 09, 2026 - 11:48 cve.org

HIGH 8.8

DescriptionCVE.org

WordPress Car Park Booking Plugin version 13 October 17 contains a time-based SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the space_id parameter. Attackers can send GET requests to the booking-page endpoint with malicious space_id values using AND SLEEP() payloads to extract sensitive database information.

AnalysisAI

WordPress Car Park Booking Plugin version 13 October 17 contains a time-based SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical ContextAI

This vulnerability is classified as SQL Injection (CWE-89), which allows attackers to execute arbitrary SQL commands against the database. WordPress Car Park Booking Plugin version 13 October 17 contains a time-based SQL injection vulnerability that allows unauthenticated attackers to manipulate database queries by injecting SQL code through the space_id parameter. Attackers can send GET requests to the booking-page endpoint with malicious space_id values using AND SLEEP() payloads to extract sensitive database information. Affected products include: Quanticalabs Car Park Booking System. Version information: version 13.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use parameterized queries/prepared statements. Never concatenate user input into SQL. Apply least-privilege database permissions.