CVE-2017-20255 | Joomla! Component JB Visa 1.0 contains an SQL injection vuln… | CVSS 8.2 HIGH

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.

Metadata

CVE ID: CVE-2017-20255
State: PUBLISHED
Assigner: VulnCheck
Reserved: 2026-06-19 14:36 UTC
Published: 2026-06-19 15:27 UTC
Last updated: 2026-06-19 15:27 UTC
Primary CWE: CWE-89
Improper Neutralization of Special Elements used in an SQL C…
Vendor / Product: Joombooking / JB Visa
Sources: cve.org · NVD

Severity & Metrics

8.2 HIGH CVSS 3.1

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

Affected products (1)

Vendor	Product	Platform	Versions
Joombooking	JB Visa	—	1.0

Weakness (CWE)

CWE	Source	Description
CWE-89	cna	Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

CVSS scores (2)

Score	Severity	Version	Source	Vector
8.8	HIGH	4.0	cna	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:L/VA:N/SC:N/SI:N/SA:N
8.2	HIGH	3.1	cna	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N

References (4)

ExploitDB-43350 https://www.exploit-db.com/exploits/43350
Official Product Homepage http://joombooking.com/
Product Reference https://extensions.joomla.org/extensions/extension/vertical-markets/booking-a-reservations/jb-visa/
VulnCheck Advisory: Joomla! Component JB Visa 1.0 SQL Injection via visatype https://www.vulncheck.com/advisories/joomla-component-jb-visa-sql-injection-via-visatype