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Yii does not prevent XSS in scenarios where fallback error renderer is used

Moderate severity GitHub Reviewed Published Apr 10, 2025 in yiisoft/yii • Updated Apr 11, 2025

Package

composer yiisoft/yii (Composer)

Affected versions

< 1.1.31

Patched versions

1.1.31

Description

Impact

Affected versions of yiisoft/yii are vulnerable to Reflected XSS in specific scenarios where the fallback error renderer is used.

Patches

Upgrade yiisoft/yii to version 1.1.31 or higher.

References

If you have any questions or comments about this advisory, contact us through security form.

References

@marcovtwout marcovtwout published to yiisoft/yii Apr 10, 2025
Published by the National Vulnerability Database Apr 10, 2025
Published to the GitHub Advisory Database Apr 11, 2025
Reviewed Apr 11, 2025
Last updated Apr 11, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Changed
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(7th percentile)

Weaknesses

CVE ID

CVE-2025-32027

GHSA ID

GHSA-7r2v-8wxr-3ch5

Source code

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