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VulnerabilityPublished

CVE-2026-54543: froxlor · Injection

Affects froxlorSource GCVE Database

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Not known to be exploited · CVSS 5.4 Medium : upgrade to 2.3.8 when convenient.

Data as of 9 Nov 2026, 23:24 UTC

CVSS 3.1 base score
5.4Medium
How severe the flaw is on the 0–10 CVSS scale.

Thin evidence

One scorer or none
CVSS scores by source
CNA (GitHub_M)CVSS 3.15.4
EPSS
0.4% chance of exploitation in 30 days – higher than 39% of CVEsExploit Prediction Scoring System: the likelihood attackers will use this flaw soon.
Patch
Available – fixed in 2.3.8
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Exploitation evidence

  1. Disclosed: evidence found.

    CVE published 18 Aug 2026

  2. Detectable: no evidence on record.

    No public nuclei template indexed

  3. Weaponized: no evidence on record.

    No public exploit code indexed in Metasploit or Exploit-DB

  4. Exploited in the wild: no evidence on record.

    Not in CISA KEV and no source reports exploitation

  5. Observed by OffSeq Mirage: no evidence on record.

    No attack traffic recorded by OffSeq Mirage sensors

A missing step is not evidence of safety. Sources: cve.org (opens in a new tab), the Metasploit, Exploit-DB and nuclei-templates index as of 9 Nov 2026.

What to do

Upgrade froxlor/froxlor to 2.3.8.

Affected software

ProductAffectedFixed in
GitHubfroxlor/froxlorpkg:github/froxlor/froxlorOther threatsAffected
  • <2.3.8
Fixed in
  • 2.3.8

Check your own hosts for these packages with threat-finder (opens in a new tab), our free open-source scanner.

AI-suggested

Upgrade Froxlor to version 2.3.8 or later, where this injection vulnerability is fixed. No other mitigation is indicated or required.

Description

CVE-2026-54543 is an injection vulnerability in Froxlor server administration software versions prior to 2.3.8. The DomainZones.add API command improperly accepts user-controlled record and type values containing line delimiters, tabs, semicolons, or unsupported DNS record types. This allows an authenticated user with DNS-zone permissions to inject additional resource-record lines into BIND zone files, potentially modifying DNS data and impacting DNS availability within authorized zones. The issue is fixed in Froxlor version 2.3.8.

References

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