CVE-2017-20255: Joomla! Component JB Visa 1.0 SQL Injection via visatype

Severity: high (CVSS 8.2 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2026-06-19 · updated 2026-08-19
Weakness: CWE-89

Description

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 products

Joombooking JB Visa: 1.0

References

http://joombooking.com/
https://extensions.joomla.org/extensions/extension/vertical-markets/booking-a-reservations/jb-visa/
https://www.exploit-db.com/exploits/43350
https://www.vulncheck.com/advisories/joomla-component-jb-visa-sql-injection-via-visatype

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