Yii Yii2 Gii before 2.2.2 allows remote attackers to execute arbitrary code via the Generator.php messageCategory field. The attacker can embed arbitrary PHP code into the model file.
A workaround or mitigation is available. Apply it until an official patch is released.
CVSS v4.0 Metrics
Exploitability
Attack VectorNetwork
ComplexityLow
RequirementsPresent
PrivilegesLow
User InteractionNone
Threat
Exploit MaturityPoC
Vulnerable System
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Subsequent System
ConfidentialityNone
IntegrityNone
AvailabilityNone
Supplemental
SafetyNegligible
AutomatableYes
RecoveryAutomatic
Value DensityConcentrated
UrgencyMedium
Change Log
| Date | Source | Changes | Score |
|---|
| 2026-07-21 | PoC | E: U→P | 5.2 → 6.8 |
| 2026-07-21 | nvd | patch: Unavailable→Mitigation | 5.2 → 5.2 |
| 2026-07-21 | cve.org | initial, patch: Unavailable | 5.2 |
Affected Software
| Vendor | Product | Version |
|---|
| yiiframework | gii | < 2.2.2 |
Published: 2023-01-21
