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Missing authorization in Froxlor SubDomains.delete API

Priority MEDIUM 57CWE-862Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Security bypass
Confidentiality · integrity · availability
None · Low · Low
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-862.

Summary

Froxlor from 0.10.0 before 2.3.15 has a missing authorization flaw (CWE-862) in the SubDomains.delete API command. An authenticated customer can delete reseller-provisioned main domains by supplying a main domain id, bypassing the web UI restriction. Attackers can also drive subdomains_used below zero to gain extra subdomain allowance.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

Description from the CNA

Froxlor from 0.10.0 before 2.3.15 contains a missing authorization vulnerability in the SubDomains.delete API command that allows authenticated customers to delete reseller-provisioned main domains by supplying a main domain id. Attackers can bypass the web UI restriction to remove domains, orphan vhost, DNS and subdomain records, and drive subdomains_used below zero to gain extra subdomain allowance.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.0045 39th percentileScored 2026-11-07
Fix Fixed froxlor (froxlor): 2.3.15

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
froxlorfroxlor0.10.0 to before 2.3.152.3.15Patch availableCNA
  • froxlor Vendorfroxlor Affected 0.10.0 to before 2.3.15 Fixed in 2.3.15 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:froxlor:froxlor:*:*:*:*:*:*:*:*——froxlor
  • cpe:2.3:a:froxlor:froxlor:*:*:*:*:*:*:*:* Versions — — ·froxlor

Remediation

Update Froxlor to version 2.3.15 or later, which fixes the issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-28

  • Fix · CNA froxlor (froxlor) Fixed in 2.3.15

Fixed in the same release

Records fixed by the same vendor advisory or release, as the CNA lists them.

  • Release ·

    froxlor 2.3.15

    3 records Highest priority Priority HIGH 1 HIGH, 2 MEDIUM

    Other records, highest priority first

    • TI-2026-76945 Symlink following in Froxlor enables root privilege escalationPriority HIGH 76
    • TI-2026-76943 Authorization bypass in Froxlor Admins.get API exposes admin recordsPriority MEDIUM 57

Timeline

  1. 2026-10-20 Threatist record created from CVE-2026-113677
  2. 2026-10-20 CISA SSVC decision points changed
  3. 2026-10-20 Priority changed: LOW → MEDIUM
  4. 2026-10-21 Alias added: GHSA-9rxg-hj9r-x482

References

  • TI-2023-00300 Command Injection in froxlor/froxlor CVSS 3.1HIGH 8.8
  • TI-2023-02973 Improper Restriction of Excessive Authentication Attempts in froxlor/froxlor CVSS 3.1CRITICAL 9.8
  • TI-2023-01234 Authentication Bypass by Primary Weakness in froxlor/froxlor CVSS 3.1CRITICAL 9.8
  • TI-2023-01911 Unrestricted Upload of File with Dangerous Type in froxlor/froxlor CVSS 3.1HIGH 8.8
  • TI-2026-64867 froxlor before 2.3.12 Authentication Bypass via Session Persistence CVSS 4.0HIGH 8.7
  • TI-2026-76945 Symlink following in Froxlor enables root privilege escalation CVSS 4.0CRITICAL 9.4
See all 86 →

Sources