CVE-2018-20556
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.
Does this matter?
EPSS puts the probability of exploitation in the next 30 days at 18.9%, higher than 97% of all known CVEs. Patch or mitigate before the next change window.
Description
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.
- CVSS 3.0
- 8.8 HIGHCVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 18.91% probability · 97th percentile
- Public exploits
- 1 in Exploit-DB · first 14 February 2019
- CISA KEV
- Not listed
- Weakness
- CWE-89
- Affected
- booking calendar project/booking calendar
- Source
- cve@mitre.org
EPSS moved from 16.6% on 21 September 2026 to 18.9% on 27 October 2026. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- http://packetstormsecurity.com/files/151692/WordPress-Booking-Calendar-8.4.3-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://gist.github.com/B0UG/a750c2c204825453e6faf898ea6d09f6
- https://vulners.com/exploitdb/EDB-ID:46377
- https://www.exploit-db.com/exploits/46377/Exploit, Third Party Advisory, VDB Entry
- http://packetstormsecurity.com/files/151692/WordPress-Booking-Calendar-8.4.3-SQL-Injection.htmlExploit, Third Party Advisory, VDB Entry
- https://gist.github.com/B0UG/a750c2c204825453e6faf898ea6d09f6
- https://vulners.com/exploitdb/EDB-ID:46377
- https://www.exploit-db.com/exploits/46377/Exploit, Third Party Advisory, VDB Entry
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.