CVE-2012-4437: Cross-site Scripting in SmartyException

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

Cross-site Scripting in SmartyException

Package
smarty/smarty Composer
Affected versions
<3.1.12
Fixed in
3.1.12
Severity
medium
Exploitation
not on CISA KEV · EPSS 2% (84.4th percentile)
Published
2022-05-17
Source
osv.dev

References

CWE-79
NVD recordsmarty/smarty 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.

# PHP projects (recommended)
composer require --dev phpwarden/phpwarden
# then
vendor/bin/phpwarden deps composer.lock

# or, without Composer
pipx install phpwarden   &&   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