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Vulnerabilities

Vulnerability · CVE-2025-49137

HAX CMS PHP allows users to manage their microsite universe with a PHP backend.

Published Jun 9, 2025 · catalog updated Jun 10, 2025 · HAX CMS PHP allows

Check if you run it

No confirmed exploitation is on record for CVE-2025-49137. EPSS is 0.27%. Act only if a listed version of HAX CMS PHP allows is installed.

Gaps on this record

  • The stored product name is a package slug. The name on this page is taken from the title (HAX CMS PHP allows).
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High8.5
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.27%
Remediation
Version ranges on file
Affected products
vendor haxtheweb issues < 11.0.0

HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.0, the application does not sufficiently sanitize user input, allowing for the execution of arbitrary JavaScript code. The 'saveNode' and 'saveManifest' endpoints take user input and store it in the JSON schema for the site. This content is then rendered in the generated HAX site. Although the application does not allow users to supply a tag, it does allow the use of other HTML tags to run JavaScript. Version 11.0.0 fixes the issue.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor haxtheweb issues < 11.0.0< 11.0.0

How to fix CVE-2025-49137

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2025-49137. EPSS is 0.27%. Act only if a listed version of HAX CMS PHP allows is installed.

Which versions are affected?

Compare what you have installed with haxtheweb issues < 11.0.0 < 11.0.0. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.27%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Jun 9, 2025 · EUVD

    Detected

    HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.0, the application does not sufficiently sanitize user input, allowing for the execution of arbitrary JavaScript code. The 'saveNode' and 'saveManifest' endpoints take user input and store it in the JSON schema for the site. This content is then rendered in the generated HAX site. Although the app

  2. Jun 10, 2025 · EUVD

    Updated

    HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.0, the application does not sufficiently sanitize user input, allowing for the execution of arbitrary JavaScript code. The 'saveNode' and 'saveManifest' endpoints take user input and store it in the JSON schema for the site. This content is then rendered in the generated HAX site. Although the app

Sources

  • CVE.orgVulnerability recordCVE-2025-49137

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-49137

    30-day exploitation probability 0.3%

    first.org
  • EUVDVulnerability recordEUVD-2025-17562

    HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.0, the application does not sufficiently sanitize user input, allowing for the execution of arbitrary JavaScript code. The 'saveNode' and 'saveManifest' endpoints take user input

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.