An issue existed in the parsing of URLs. This issue was addressed with improved input validation. This issue is fixed in macOS Server 5.11. Processing a maliciously crafted URL may lead to an open redirect or cross site scripting.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesNone
User InteractionActive
Threat
Exploit MaturityUnreported
Vulnerable System
ConfidentialityLow
IntegrityLow
AvailabilityNone
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | nvd | AV: P→N, AC: H→L, PR: H→N, VC: N→L, VI: N→L | 0.0 → 0.5 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 0.0 |
Affected Software
| Vendor | Product | Version |
|---|
| Apple | macOS | < 5.11 |
| apple | macos_server | < 5.11 |
Published: 2021-04-02
