Medium

@haxtheweb/haxcms-nodejs Iframe Phishing vulnerability

  • Disclosed: 09.06.2025
  • Updated: 11.10.2026 10:22

Summary

In the HAX site editor, users can create a website block to load another site in an iframe. The application allows users to supply a target URL in the website block. When the HAX site is visited, the client's browser will query the supplied URL.

Affected Resources

PoC

  1. Set the URL in an iframe pointing to an attacker-controlled server running Responder

image

  1. Once another user visits the site, they are prompted to sign in.

image

  1. If a user inputs credentials, the username and password hash are outputted in Responder.

image

Impact

An authenticated attacker can create a HAX site with a website block pointing at an attacker-controlled server running Responder or a similar tool. The attacker can then conduct a phishing attack by convincing another user to visit their malicious HAX site to harvest credentials.

Affected software

Click a technology to see all vulnerabilities affecting it.

PlatformPackageVulnerable versionsFixed in
npm package @haxtheweb/haxcms-nodejs < 11.0.0 11.0.0

References

CVSS score 5.3/10
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N
Weakness (CWE)
CWE-1021
Platform
npm
Package
@haxtheweb/haxcms-nodejs
Disclosed
09.06.2025
Updated
11.10.2026 10:22

Sources and licenses

OSV / GitHub Advisory Database - GHSA-v3ph-2q5q-cg88 - CC BY 4.0

Vulnerability history: @haxtheweb/haxcms-nodejs

All published vulnerabilities of this package (npm package), newest first. Shows whether this is a one-off slip or a package that needs watching.

All (16) in the archive
Total entries
16
First → latest
06.2025 05.2026
Without a fix
0
Exploited in attacks
0

Severity breakdown

  • Critical 2
  • High 10
  • Medium 4

Disclosures per year

  1. 2025: 8
  2. 2026: 8
Severity:
  1. High CVE-2026-46511 < 26.0.0 26.0.0
  2. Critical CVE-2026-46395 < 26.0.0 26.0.0
  3. High CVE-2026-46393 < 26.0.0 26.0.0
  4. High · 8.0 CVE-2026-22704 >= 11.0.6, < 25.0.0 25.0.0
  5. High · 8.3 CVE-2025-54378 < 11.0.14 11.0.14
  6. High · 8.5 CVE-2025-49141 < 11.0.3 11.0.3
  7. @haxtheweb/haxcms-nodejs Iframe Phishing vulnerability this entry
    Medium · 5.3 CVE-2025-49139 < 11.0.0 11.0.0

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