CVE-2026-54347
Authenticated stored XSS in Froxlor DNS TXT rendering risks admin session takeover.
Is CVE-2026-54347 being exploited?
Not confirmed. CVE-2026-54347 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.38% probability of exploitation in the next 30 days.
How severe is CVE-2026-54347?
CVE-2026-54347 is rated High. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2026-54347?
Yes. A fix has been recorded for CVE-2026-54347. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2026-54347 affect?
CVE-2026-54347 affects Froxlor < 2.3.8 (server administration panel). Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2026-54347?
Upgrade to Froxlor 2.3.8 immediately; restrict DNS-editor accounts and sanitize TXT content as interim mitigation.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Authenticated DNS editor can store JS in TXT records; when an admin views DNS config, script executes, exposing admin session and enabling privileged actions.
Immediate action required
- affected< 2.3.8
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.