Improper Neutralization of Special Elements in Output Used by a Downstream Component in Froxlor - CVE-2026-41237

 

Improper Neutralization of Special Elements in Output Used by a Downstream Component in Froxlor - CVE-2026-41237

Published: June 29, 2026


Vulnerability identifier: #VU135773
CSH Severity: Low
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2026-41237
CWE-ID: CWE-74
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: froxlor
Affected software:
Froxlor

Detailed vulnerability description

The vulnerability allows a remote user to inject arbitrary DNS records into bind9 zone files.

The vulnerability exists due to improper neutralization of special elements in output used by a downstream component in DnsEntry.php when processing DNS record content for LOC, RP, SSHFP, and TLSA records. A remote user can submit crafted DNS record content with embedded newlines to inject arbitrary DNS records into bind9 zone files.

Exploitation requires DNS management permissions.


How to mitigate CVE-2026-41237

Install security update from vendor's website.

Sources