PKSA-tzw6-ybht-9v74: Stored cross-site scripting in the file manager via crafted filenames (see GHSA-xh3r-77ch-frm3)
Published Nov 11, 2026
·Updated
Stored cross-site scripting in the file manager via crafted filenames (see GHSA-xh3r-77ch-frm3)
Affected Software
3 affected componentsFixes available
composer/contao/core-bundle>=4.0.0, <5.3.54
5.3.54
composer/contao/core-bundle>=5.4.0, <5.7.17
5.7.17
composer/contao/core-bundle>=6.0.0, <6.0.6
6.0.6
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
composer/contao/core-bundleto a version that resolves this vulnerability.Fixed in 5.3.54 - Upgrade
Upgrade
composer/contao/core-bundleto a version that resolves this vulnerability.Fixed in 5.7.17 - Upgrade
Upgrade
composer/contao/core-bundleto a version that resolves this vulnerability.Fixed in 6.0.6
Event History
Nov 11, 2026
Advisory Published
via Packagist·12:00 AM
Data Sourced
via Packagist·12:00 AM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
Which package does this advisory track?
The affected package identified in this record is composer/contao/core-bundle.