CVE-2017-20255

Joomla! Component JB Visa 1.0 SQL Injection via visatype

Joomla! Component JB Visa 1.0 contains an SQL injection vulnerability that allows unauthenticated attackers to execute arbitrary SQL queries by injecting malicious code through the visatype parameter. Attackers can send GET requests to index.php with the option=com_bookpro and view=popup parameters, injecting SQL commands in the visatype parameter to extract sensitive database information including credentials and table contents.

Affected

Joombooking · JB Visa

CVSS v4.0 VULNCHECK

8.8 HIGHCVSS: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

CVSS v3.1 VULNCHECK

8.2 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

EPSS

0.49% chance of exploitation in the next 30 days, 41st percentile

Published

2026-06-19

Updated

2026-06-22

Proof-of-concept exploits (1)

• https://www.exploit-db.com/exploits/43350

Security advisories

• https://www.vulncheck.com/advisories/joomla-component-jb-visa-sql-injection-via-visatype
• http://joombooking.com
• https://extensions.joomla.org/extensions/extension/vertical-markets/booking-a-reservation…

References

• CVE Record
• NVD entry