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CVE-2026-41233

Froxlor has a Reseller Domain Quota Bypass via Unvalidated adminid Parameter in Domains.add()

Published: Apr 23, 2026Updated: Apr 27, 2026 Sources: CVE List NVDCWE-863
NVD MITRE
5.4CVSSMEDIUM
EPSS Score
0.3%
Top 82.5%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

Froxlor is open source server administration software. Prior to version 2.3.6, in `Domains.add()`, the `adminid` parameter is accepted from user input and used without validation when the calling reseller does not have the `customers_see_all` permission. This allows a reseller to attribute newly created domains to any other admin, bypassing their own domain quota (since the wrong admin's `domains_used` counter is incremented) and potentially exhausting another admin's quota. Version 2.3.6 fixes the issue.

CVSS Vector Breakdown

AV:NAC:LPR:LUI:NS:UC:NI:LA:L
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:LPrivileges Required
Low
UI:NUser Interaction
None
Scope
S:UScope
Unchanged
Impact
C:NConfidentiality
None
I:LIntegrity
Low
A:LAvailability
Low
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Weaknesses

CWE-863

Affected Products

froxlorfroxlor
On-premWeb App
Enterprise Software / itsm-monitoring
froxlorEnterprise Softwareaka froxlor

Attack Graph

Products CVE Techniques Tactics

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Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
View detailed technique mapping

References

https://github.com/froxlor/froxlor/security/advisories/GHSA-jvx4-xv3m-hrj4
github.com
https://github.com/froxlor/froxlor/commit/bf47ba15329506e9f9662f9462463932aa80dff5
github.com
https://github.com/froxlor/froxlor/releases/tag/2.3.6
github.com

Timeline

Published
Apr 23, 2026
Last Updated
Apr 27, 2026

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