SQL injection vulnerability in Booking Calendar plugin 8.4.3 for WordPress allows remote…
Priority MEDIUM 56CWE-89Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- SQL injection
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-89.
Summary
SQL injection vulnerability in Booking Calendar plugin 8.4.3 for WordPress allows remote attackers to execute arbitrary SQL commands via the booking_id parameter.
Why it matters now
EPSS 0.18906 97th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by NVD and the CNA
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:booking_calendar_project:booking_calendar:8.4.3:*:*:*:*:wordpress:*:* | 8.4.3 | Vulnerable | Booking Calendar Project |
- cpe:2.3:a:booking_calendar_project:booking_calendar:8.4.3:*:*:*:*:wordpress:*:* Versions 8.4.3 Vulnerable ·Booking Calendar Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20556
- 2026-10-03 Alias added: GHSA-44p6-8579-mh2w
References
More Booking Calendar Project Booking Calendar vulnerabilities
- TI-2022-01337 Booking Calendar <= 9.1 - PHP Object Injection via Shortcode CVSS 3.1HIGH 8.8
- TI-2018-04084 An issue was discovered in the booking-calendar plugin 2.1.7 for WordPress. CVSS 3.0HIGH 8.8
- TI-2023-18247 WordPress Booking Calendar Contact Form Plugin <= 1.2.40 is vulnerable to Cross Site Scripting (XSS) CVSS 3.1HIGH 7.1
- TI-2021-07318 Booking Calendar < 8.9.2 - Reflected Cross-Site Scripting CVSS 3.1MEDIUM 6.1
- TI-2017-01454 Cross-site scripting in wpdevelop Booking Calendar CVSS 3.0MEDIUM 6.1
- TI-2017-01453 Path traversal in wpdevelop Booking Calendar CVSS 3.0MEDIUM 5.3
Sources
- CVE-2018-20556 · CVE Program
- CVE-2018-20556 · NVD
- FIRST EPSS
- GHSA-44p6-8579-mh2w · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences