CVE-2025-49141: haxcms-php Command Injection

Description

HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.3, the `gitImportSite` functionality obtains a URL string from a POST request and insufficiently validates user input. The `set_remote` function later passes this input into `proc_open`, yielding OS command injection. An authenticated attacker can craft a URL string that bypasses the validation checks employed by the `filter_var` and `strpos` functions in order to execute arbitrary OS commands on the backend server. The attacker can exfiltrate command output via an HTTP request. Version 11.0.3 contains a patch for the issue.

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CVSS v3.1 Score

8.5

HIGH

CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H

Weakness Type (CWE)

CWE-78 OS Command Injection

Affected Products

Vendor	Product	Versions
psu	haxcms-nodejs	< 11.0.3
psu	haxcms-php	< 11.0.0

References

Advisories & Patches

https://github.com/haxtheweb/haxcms-nodejs/commit/5131fea6b6be611db76a618f89bd2e164752e9b3

Exploits

https://github.com/haxtheweb/issues/security/advisories/GHSA-g4cf-pp4x-hqgw https://github.com/haxtheweb/issues/security/advisories/GHSA-g4cf-pp4x-hqgw

Frequently Asked Questions

What is CVE-2025-49141? +

HAX CMS PHP allows users to manage their microsite universe with a PHP backend. Prior to version 11.0.3, the `gitImportSite` functionality obtains a URL string from a POST request and insufficiently validates user input. The `set_remote` function later passes this input into `proc_open`, yielding OS command injection. An authenticated attacker can craft a URL string that bypasses the validation checks employed by the `filter_var` and `strpos` functions in order to execute arbitrary OS commands on the backend server. The attacker can exfiltrate command output via an HTTP request. Version 11.0.3 contains a patch for the issue. It has a CVSS v3.1 base score of 8.5 (HIGH).

How severe is CVE-2025-49141? +

CVE-2025-49141 has a CVSS v3.1 score of 8.5 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.

What products are affected by CVE-2025-49141? +

CVE-2025-49141 affects products from psu, specifically: haxcms-nodejs, haxcms-php. Check the affected products table above for specific version ranges.

How do I check if I'm vulnerable to CVE-2025-49141? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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