CVE-2017-11516: Yii Cross-site Scripting Framework vulnerability

medium Affects yiisoft/yii2, yiisoft/yii2-dev. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Yii Cross-site Scripting Framework vulnerability

Package
yiisoft/yii2 Composer
Affected versions
>=2.0.12 and <2.0.13
Fixed in
2.0.13
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (57.5th percentile)
Published
2022-05-17
Source
osv.dev

References

Yii Cross-site Scripting Framework vulnerability

Package
yiisoft/yii2-dev Composer
Affected versions
>=2.0.12 and <2.0.13
Fixed in
2.0.13
Severity
medium  CVSS 6.1
Exploitation
not on CISA KEV · EPSS 1% (57.5th percentile)
Published
2022-05-17
Source
osv.dev

References

CWE-79
NVD recordyiisoft/yii2 advisoriesyiisoft/yii2-dev advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked

Related advisories