Froxlor up to 2.3.7 DNS TXT Record DomainZones.php Text::wordwrap cross site scripting

Summaryinfo

A vulnerability, which was classified as problematic, has been found in Froxlor up to 2.3.7. Affected is the function Text::wordwrap of the file lib/Froxlor/Api/Commands/DomainZones.php of the component DNS TXT Record Handler. The manipulation leads to cross site scripting. This vulnerability is listed as CVE-2026-54347. The attack may be initiated remotely. There is no available exploit.

Detailsinfo

A vulnerability was found in Froxlor up to 2.3.7 and classified as problematic. This issue affects the function Text::wordwrap of the file lib/Froxlor/Api/Commands/DomainZones.php of the component DNS TXT Record Handler. The manipulation with an unknown input leads to a cross site scripting vulnerability. Using CWE to declare the problem leads to CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. Impacted is integrity. The summary by CVE is:

Froxlor is open source server administration software. Prior to 2.3.8, DNS TXT record content accepted by lib/Froxlor/Api/Commands/DomainZones.php can contain HTML special characters, lib/Froxlor/UI/Callbacks/Text.php returns the content from Text::wordwrap without HTML escaping, and templates/Froxlor/table/table.html.twig renders the callback result with the raw filter. An authenticated customer with DNS editor access can store JavaScript-bearing content in a TXT record. When an administrator views the affected domain's DNS configuration, the payload executes automatically in the administrator's browser session, which can expose session data or perform privileged panel actions. This issue is fixed in version 2.3.8.

The advisory is shared at github.com. The identification of this vulnerability is CVE-2026-54347 since 06/12/2026. The exploitation is known to be easy. The attack may be initiated remotely. It demands that the victim is doing some kind of user interaction. Technical details are known, but no exploit is available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

By approaching the search of inurl:lib/Froxlor/Api/Commands/DomainZones.php it is possible to find vulnerable targets with Google Hacking.

Upgrading to version 2.3.8 eliminates this vulnerability.

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

• Froxlor

Version

• 2.3.0
• 2.3.1
• 2.3.2
• 2.3.3
• 2.3.4
• 2.3.5
• 2.3.6
• 2.3.7

License

• open-source

Website

• Product: https://github.com/froxlor/froxlor/

CPE 2.3info

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CPE 2.2info

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