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CVE Record

CVE-2023-3668: Improper Encoding or Escaping of Output in froxlor/froxlor

Improper Encoding or Escaping of Output in GitHub repository froxlor/froxlor prior to 2.0.21.

CriticalCVSS 9.1Not KEV-listedUpdated
Glexia's TakeAutomated analysiscritical

Security readout for executives and security teams

Plain-English summary

CVE-2023-3668 is a critical output encoding issue in froxlor/froxlor before 2.0.21. A highly privileged attacker could abuse affected functionality with severe confidentiality, integrity, and availability impact. Evidence provided does not show active exploitation.

Executive priority

Treat this as a high-priority patching item for any Froxlor deployment. The rating is critical, but the privilege requirement reduces broad opportunistic risk compared with unauthenticated flaws.

Technical view

The CVE maps to CWE-116: improper encoding or escaping of output. CVSS 3.0 is 9.1 with network attack vector, low complexity, high privileges required, no user interaction, changed scope, and high impact across confidentiality, integrity, and availability.

Likely exposure

Exposure is limited to organizations running froxlor/froxlor versions before 2.0.21. Risk is higher where Froxlor is reachable over a network and privileged accounts are broadly available or poorly monitored.

Exploitation context

The supplied sources indicate high privileges are required, but user interaction is not. CISA KEV status is false, and the bundle provides no cited evidence of public exploitation in the wild.

Researcher notes

Analysis is constrained to the CVE metadata, huntr reference, and upstream commit link in the bundle. The bundle does not provide detailed vulnerable code paths, proof-of-concept status, or vendor advisory text beyond the fixed-before version boundary.

Mitigation direction

  • Upgrade froxlor/froxlor to 2.0.21 or later.
  • Check Froxlor vendor guidance for any additional remediation details.
  • Restrict Froxlor access to trusted administrators until upgraded.
  • Review privileged account access and remove unnecessary permissions.
  • Monitor Froxlor logs for unusual privileged changes.

Validation and detection

  • Inventory all Froxlor deployments and record installed versions.
  • Confirm no instance is running a version before 2.0.21.
  • Verify Froxlor access is limited to required administrators.
  • Review recent privileged activity for unexpected configuration changes.
  • Track the referenced upstream commit in change management records.
Prepared
Confidence
medium
Sources
4

Generated from the cited source records. This long-tail analysis has not been individually reviewed by a named human.

Potential ATT&CK relevance

Conservative CVE-to-ATT&CK context

These mappings and lookup hints may be relevant to the vulnerability behavior, CWE, affected product, or exposure path. Glexia-inferred context is not an official MITRE, ATT&CK, CWE, or CVE Program mapping.

ATT&CK lookup starting points

Use these exact CWE pages and searches to review the Glexia ATT&CK library from this CVE's weakness and description context.

cwe · medium confidence lookup

CWE-116: User-session and phishing behavior lookup

Client-side and session-facing weaknesses should be reviewed alongside initial-access and user-execution behaviors. Open the exact CWE lookup page first, then review the ATT&CK searches from that MITRE weakness context. This is a Glexia lookup hint, not an official ATT&CK mapping.

Open ATT&CK lookup
cve · low confidence lookup

CVE-2023-3668 mapping review

Open the CVE-to-ATT&CK bridge for reviewed, inferred, or future official mappings tied to this CVE.

Open ATT&CK lookup
Vulnerability profileCVE Program record
Severity
Critical
CVSS
9.1 (3.0)
Known Exploited
No
Published

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Official CVE source material

CNA and ADP enrichment extracted from CVE v5

These fields come from the CVE record and ADP containers, not from Glexia's Take. They preserve time-varying source decisions such as CISA SSVC, KEV status, CVSS metrics, and provider references.

1CVSS vectors
0Timeline events
0ADP providers
3Source links

CVSS vector scores

1 official score

We collect every scored CVSS vector available in the official CNA and ADP containers. When more than one version is present, the table keeps the source vectors side by side instead of collapsing them into the highest score.

ScoreVersionSeverityVectorExploitImpactSource
9.1CVSS 3.0CriticalCVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H2.36Primary CVE score

Vulnerability scoring details

Base CVSS 3.0 score

9.1Critical
CVSS 3.0 vector shape for CVE-2023-3668Attack VectorAttack ComplexityPrivileges RequiredUser InteractionScopeConfidentiality ImpactIntegrity ImpactAvailability Impact

Vector: CVSS:3.0/AV:N/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H

Attack Vector
NetworkAdjacentLocalPhysical
Attack Complexity
LowHigh
Privileges Required
NoneLowHigh
User Interaction
NoneRequired
Scope
ChangedUnchanged
Confidentiality Impact
HighLowNone
Integrity Impact
HighLowNone
Availability Impact
HighLowNone
Affected products

Products and packages named in the record

VendorProductVersion / packageStatus
froxlorfroxlor/froxlorunspecifiedListed
Weakness

CWE details

CWE links open Glexia weakness intelligence pages with official CWE context, developer remediation guidance, and related CVE mappings.

CWE-116 · source CWE mapping

Improper Encoding or Escaping of Output

Improper Encoding or Escaping of Output represents a recurring weakness pattern that can create exploitable paths when design, validation, or implementation controls are missing.