CVE-2018-20556 is a high-severity SQL injection vulnerability affecting Booking Calendar plugin version 8.4.3 for WordPress, allowing authenticated remote attackers to execute arbitrary SQL commands. The vulnerability has a CVSS score of 8.8 (High) due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While not listed in CISA KEV, exploit code is publicly available on ExploitDB, though there is no evidence of active widespread exploitation or significant community discussion.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
8.4.3CPE matchmatch criteria | cpe:2.3:a:booking_calendar_project:booking_calendar:8.4.3:*:*:*:*:wordpress:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.3 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.