HIGH

CVE-2020-36655

CVSS v3

8.8

HIGH

EPSS Score

1.5 %

exploit probability, as of 2026-10-18

CISA KEV

known exploited

Exploitation

—

SSVC status

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Affected and fixed versions

Packages from OSV.dev and products from the vendors' CSAF advisories.

version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.

Packages

yiisoft/yii2-giiPackagistall versions · fixed in 2.2.2

Full record on NVD

Description

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.

Technical details

Published: 2023-01-21

Frequently asked questions

What is CVE-2020-36655?

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.

Is CVE-2020-36655 actively exploited?

Active exploitation of CVE-2020-36655 has not been confirmed. Its EPSS score was 1.5% on 2026-10-18, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-36655?

CVE-2020-36655 has a CVSS v3 base score of 8.8 (HIGH severity).

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